ROC Compliance Calendar 2025–2026: Important Filing Due Dates for Companies & LLPs

What Is a Corporate Identification Number (CIN)?

A Corporate Identification Number or CIN number is a 21-character alpha-numeric code assigned to companies registered under the Registrar of Companies in India. It acts as a unique identifier, reflecting details like the type of company, its state of registration, and year of incorporation.

A CIN is provided to all companies registered in India, including:

• Private Limited Companies (PLCs)
• One Person Companies (OPCs)
• Companies owned by the Government of India
• State Government Companies
• Not-for-Profit Section 8 Companies
• Nidhi Companies, etc.

In contrast, Limited Liability Partnerships (LLPs) are assigned an LLPIN (Limited Liability Partnership Identification Number). The CIN plays a vital role in company identification and compliance with legal obligations.

Importance of Corporate Identification Number

The CIN is critical for identifying and tracking a company’s activities from its incorporation. Assigned by the Registrar of Companies, it ensures every registered company has a distinct identity under the Ministry of Corporate Affairs. This 21-character alpha-numeric code provides key details, such as the company’s registration type, state, and year of incorporation.

For example, a typical CIN might look like U12345MH2024PLC567890, where each segment represents specific company details.

The CIN must be included in all filings, audits, and reports submitted to the ROC or MCA. It is essential for verifying company information during legal and financial transactions, offering transparency and credibility. The CIN acts as the foundation for company identification, ensuring compliance with Indian business regulations.

Breaking Down Corporate Identification Number

A CIN is a 21-character alphanumeric code that reveals key details about a company. It is structured into six sections, each offering specific information that aids in company identification and regulatory tracking by the ROC and the MCA. Here’s a breakdown:

Section-1: Listing Status

The first character indicates whether a company is “Listed” or “Unlisted” on the stock market.

• L: Listed on the Indian stock exchange.
• U: Unlisted.

Section-2: Industry Classification

The following five numeric digits represent the company’s primary economic activity or industry. The MCA assigns each category of economic activity a specific code. For example, 12345 could signify a particular industry, such as technology or healthcare.

Section-3: Registration State

The following two letters identify the state where the company is registered. Examples include:

• TN: Tamil Nadu
• GJ: Gujarat
• UP: Uttar Pradesh

This section functions similarly to state codes in vehicle registration numbers.

Section-4: Year of Incorporation

The next four numeric digits represent the company’s year of incorporation. For example, "2015" signifies that the company was established in 2015.

Section-5: Company Classification

The following three characters indicate the company type. Examples include:

• PLC: Public Limited Company
• NPL: Not-for-Profit Organisation
• SGC: State Government Company

Section-6: Unique Registration Number

The last six digits are the company’s unique registration number, assigned by the ROC to distinguish it from other entities.

CIN number example: U12345TN2015PLC789101

This example shows an unlisted company (U) operating in a specific industry (12345), registered in Tamil Nadu (TN), incorporated in 2015 (2015), classified as a public limited company (PLC), with a unique registration number of 789101.

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Abbreviations in CIN Number

The abbreviations used in Section 5 of the CIN include:

• FLC: Financial Lease Company as Public Limited.
• FTC: Private Limited Company Subsidiary of a Foreign Company.
• GAP: General Association Public.
• GAT: General Association Private.
• GOI: Government of India-owned companies.
• NPL: Not-for-Profit License Company.
• PLC: Public Limited Company.
• PTC: Private Limited Company.
• SGC: State Government-owned Companies.
• ULL: Unlimited Liability Limited Company.
• ULT: Unlimited Liability Trust.

Usage of Corporate Incorporation Number

The CIN is essential for ensuring compliance and maintaining legitimacy. It must be used in the following:

• Invoices: To identify the company in financial transactions.
• Notices: For official communication with stakeholders.
• Letterheads: To reflect the company’s legal identity in correspondence.
• Annual Reports: As a mandatory disclosure for regulatory purposes.
• MCA e-forms: To ensure accurate filing with the Ministry of Corporate Affairs.
• Publications: For transparency in public-facing materials.

Using the CIN correctly ensures smooth corporate communication and compliance with Indian legal requirements.

Penalty for Non-Compliance of Mentioning CIN Number

Failing to comply with the requirement of mentioning the CIN on official documents can lead to significant penalties. If the requirements are not met, the defaulting company and its officers in default face a penalty of ₹1,000 per day, continuing until the non-compliance is rectified. The maximum penalty for such defaults is capped at ₹1,00,000. These penalties ensure strict adherence to regulatory norms and maintain transparency in corporate operations.

Changing Corporate Identification Number

You cannot directly change the Corporate Identification Number (CIN), but it automatically updates when specific changes occur in your company’s status or structure. These changes include:

• Listing Status: The CIN updates automatically if your company transitions from private to public or is delisted. For example, a Private Limited Company converting into a Public Limited Company will update its CIN to reflect the new listing status.
• Registered Office Location: Moving your company’s registered office to another state will result in an updated CIN to match the new state code. For example, if your company relocates its registered office from Maharashtra to Karnataka, the CIN will change from 'MH' to 'KA'.
• Industry or Sector: A change in your company’s primary business activity will update the industry classification in the CIN. For example, a company shifting from software services to financial services will modify its CIN to reflect the new industry.

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Difference between Private Limited, LLPs & OPCs

Now that we've introduced the differences between these three types, let's explore their features and registration processes more thoroughly. This will help you determine which one is the most suitable for your business needs.

Private Limited Company: Features

In India, the Private Limited Company stands as the predominant choice for company registration, governed by the Companies Act of 2013 under the jurisdiction of the Ministry of Corporate Affairs (MCA). This structure is favoured by startups and businesses aspiring for growth and stability, owing to its adaptable ownership model and efficient management practices.

Outlined below are some key characteristics of a Private Limited Company:

1. Limited Liability

• Shareholders enjoy limited liability, safeguarding personal assets from business debts.

2. Separate Legal Entity

• Regarded as a distinct legal entity from its shareholders, allowing it to engage in contracts, own assets, and litigate under its name.

3. Ownership

• Owned by shareholders who possess shares in the company, with ownership transfer facilitated through share transactions.

4. Management

• Managed by appointed Directors, while day-to-day operations are overseen by management, with significant decisions often requiring shareholder approval.

5. Shareholders

• Requires a minimum of two shareholders and can accommodate a maximum of 200.

6. Regulation and Compliance

• Governed by the Companies Act and regulated by the Ministry of Corporate Affairs, mandating compliance with annual financial filings, general meetings, and statutory record maintenance.

7. Investment and Funding

• Attracts investment and funding relatively easily due to its defined ownership structure and limited liability feature.

Private Limited Company: Registration in India

The Ministry of Corporate Affairs (MCA) has introduced a streamlined and online process for company incorporation known as Simplified Proforma for Incorporating Company Electronically Plus (SPICe+), comprising two parts: Part A and Part B.

The steps are as follows:

1. Step 1: Apply for DSC

• Obtain a Digital Signature Certificate (DSC) from Certifying Agencies (CAs) with either one or two-year validity.

2. Step 2: Apply for Name Approval

• Apply for name using SPICe+ Part A which facilitates 'Name Reservation' with the provision for two proposed names and one re-submission (RSUB).

Note: While simultaneous application for name approval (Part A) and Incorporation (Part B) through SPICe+ is feasible, only one name can be reserved.

3. Step 3: Apply for Company Registration & Other Applications

• Following name approval, apply for Company Registration using SPICe+ Part B, which also includes the application for allotment of Director Identification Number (DIN), Permanent Account Number (PAN), Tax Deduction and Collection Account Number (TAN), etc.

4. Step 4: Apply for a Bank Account

• Open a current account for your company to facilitate seamless financial transactions and business operations.

5. Step 5: File the Commencement of Business Certificate

• Within 180 days of incorporation, file the Commencement of Business Certificate through Form INC-20A, which is a declaration submitted by the Director of the Company to the Registrar of Companies.

Upon approval of the SPICe+ Form, the Registrar of Companies (ROC) issues the Certificate of Incorporation, confirming the successful registration of your company.

The Certificate of Incorporation includes vital information such as the Company's name, registration number (CIN), date of incorporation, registered office address, and so on.

Example of CIN: U72200KA2013PTC097389

Read more about what each letter in a CIN signifies here.

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Limited Liability Partnerships: Features

A Limited Liability Partnership (LLP) is a business structure that combines features from both traditional partnerships and limited companies. And, LLPs are often favoured by professional services firms, small businesses, and ventures seeking the blend of partnership flexibility and limited liability protection.

Key characteristics of an LLP include:

1. Limited Liability

• Partners in an LLP benefit from limited liability akin to private limited companies.

2. Separate Legal Entity

• An LLP exists as a distinct legal entity from its partners, capable of owning assets, entering contracts, and engaging in legal proceedings independently.

3. Ownership

• Partners own the LLP, with the ownership structure outlined in the LLP agreement. Ownership transfer typically requires consent from other partners.

4. Management

• Managed by partners or a designated management team as specified in the LLP agreement. Decision-making is often collaborative, with each partner having an equal say.

5. Number of Partners

• Requires a minimum of two partners, with no maximum limit.

6. Regulation and Compliance

• Governed by the Limited Liability Partnership Act in India, featuring less stringent regulatory requirements compared to private limited companies. Compliance entails filing annual returns and maintaining statutory records.

7. Flexibility

• Offers enhanced flexibility in internal management and decision-making processes compared to private limited companies.

Limited Liability Partnerships: Registration in India

Establishing a Limited Liability Partnership (LLP) as a legally recognized business structure involves several crucial steps. Here is a brief and comprehensive outline of the LLP registration process.

1. Step 1: Obtain a DSC

• Obtain a Digital Signature Certificate (DSC) from Certifying agencies. To know more about the process, click here.

2. Step 2: Apply for Name Reservation

• Reserve an LLP's name via the LLP-RUN form, overseen by the Central Registration Centre. Up to two names can be proposed.

3. Submit the FiLLiP Form

• Fill out the FiLLiP form and submit it to the Registrar along with the Subscriber sheet and Director's consent (Form DIR-9).

4. Draft & File the LLP Agreement

• File the LLP Agreement using Form 3 on the MCA portal within 30 days of registration.

Upon approval of the FiLLiP Form by the Registrar of Companies (ROC), you will receive the Certificate of Incorporation, which has important details such as the LLP's name, registration number (LLPIN), date of incorporation, registered office address, and so on.

Example of LLPIN: AAA-1234

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One Person Companies: Features

One Person Companies (OPCs) present a unique business structure where a single individual can establish and manage a company. Combining aspects of a Private Limited Company and the advantages of Sole Proprietorship, OPCs cater to entrepreneurs and business owners who handle all ownership, operation, and management duties themselves.

1. Sole Ownership

• An OPC is solely owned and managed by a single individual, referred to as the sole shareholder or member.

2. Limited Liability

• Like other corporate structures, OPCs offer limited liability protection to the sole owner.

3. Separate Legal Entity

• OPCs are recognized as separate legal entities independent of the sole owner. This legal distinction enables you to enter contracts, own assets, and participate in legal proceedings under your company’s name.

4. Perpetual Succession

• Despite having only one member, OPCs feature perpetual succession. A nominee appointed during incorporation typically assumes control in the absence of the sole member.

By combining limited liability, separate legal entity status, and simplified operations, OPCs emerge as an appealing choice for small businesses and startups led by single entrepreneurs.

One Person Company: Registration in India

Due to their similarities with private limited companies, OPCs also employ SPICe+ for their company registration process.

SPICe+ (Simplified Proforma for Incorporating Company Electronically Plus) is a comprehensive online form introduced by the Ministry of Corporate Affairs (MCA) in India to streamline and simplify the company registration process.

1. Step 1: Apply for DSC

• Obtain a Digital Signature Certificate (DSC) from any Certifying Agencies in India.

2. Step 2: Submit Part A of SPICe+ Form (If filled separately)

• Apply for name approval using Part A of the SPICe+ form, allowing for submission of up to two proposed names and one re-submission.

3. Step 3: Draft the MoA & AoA

• Draft the Memorandum of Association (MoA) and Articles of Association (AoA) detailing the company's objectives and rules.

4. Step 4: Submit Part B of SPICe+ Form

• Submit Part B of the SPICe+ form along with necessary documents, including DSC, MoA, AoA, and declarations. Pay the prescribed fee for registration.

5. Step 5: Appoint a Nominee

• Appoint a nominee director as required by OPC regulations.

6. Step 6: File for the Commencement of Business Certificate

• Within 180 days of incorporation, file for the Commencement of Business Certificate (Form INC-20A) with the Registrar of Companies.

Upon successful approval of the SPICe+ Form, you’ll receive an email notification from the MCA containing the Certificate of Incorporation (COI) and PAN and TAN details of the Company.

The certificate of Incorporation (COI) includes crucial details such as the Company Name, Registration Number (CIN), Date of Incorporation, Registered Office Address, Company Structure, and more.

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For added clarity, check out our curated collection of sample templates, where you can download and customize most of these above-mentioned templates, as required.

Company Registration with Razorpay Rize

Razorpay Rize provides a wide array of services to facilitate an end-to-end streamlined company registration process, all at the lowest fees and without any hidden charges. Explore the different legal structures below to find the one that’s best for your business.

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Our package includes:

• Company Name Registration
• 2 Digital Signature Certificates (DSCs)
• 2 Directors’ Identification Numbers (DINs)
• Certificate of Incorporation(COI)
• MoA & AoA [Applicable for Private Limited Companies and OPCs]
• LLP Agreement [Applicable for LLPs]
• Company PAN & TAN

*Prices and documents can differ based on the company type.

Find Out Which Company Type to Register

If you operate a small business with limited resources, opting for LLP or OPC registration might be more favourable due to lighter compliance requirements. However, for larger businesses with substantial capital needs, registering as a Private Limited Company provides greater flexibility in raising funds. So, before proceeding with the registration of either a Private Limited Company, LLP, or OPC, it is essential to carefully evaluate the following factors.

• Business Nature and Size
• Fundraising Requirements
• Tax Implications
• Personal Liability Protection

Ultimately, the choice between a Private Limited Company, LLP, or OPC structure depends on the unique characteristics of your business, including its nature, size, fundraising requirements, tax implications, and personal liability protection.

Still confused about which company type to register with? We’ve got you covered! Introducing our latest tool - "Know Your Company Type."

For the first time in India, answer a quick set of questions about your startup, and this tool will utilize your responses to identify the perfect company registration type for you. Find your ideal fit with just one click!

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In summary, choosing between Private Limited Companies, OPCs, and LLPs depends on your business goals and preferences. Each structure offers unique benefits, whether it's scalability with Private Limited Companies, convenience with OPCs, or simplicity with LLPs. If you have any unanswered questions or want to get started with the company registration process, feel free to get in touch with us!

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Rules for Selecting Company Name Under the Companies Act

When you select a company name, it must comply with the Companies Act to ensure uniqueness and legal approval. Here are the key rules to follow:

Avoid Similar or Identical Names

Your company name must not closely resemble an already registered business. The ROC conducts a company name check, and if the proposed name is found to be too similar to an existing one, it will be rejected. For example, if "GreenTech Solutions Pvt Ltd" is already registered, "GreenTech Solution Pvt Ltd" may be rejected due to similarity.

Restriction on Certain Words

You cannot use words that suggest a connection with the Central or State Government, local authorities, or government bodies, unless prior approval is obtained. For instance, names like "India National Bank Ltd" or "Government Infrastructure Pvt Ltd" require special permissions.

Prohibited Expressions

Some words and expressions are restricted under Rule 8B of the Incorporation Rules. You must seek approval from the Central Government before using them in your LLP or company name.

Mandatory Suffix for Entity Type

The company name must clearly indicate its legal structure.

• A One Person Company (OPC) should have "(OPC) Private Limited" in its name.
  
• A Private Company must include "Private Limited" (Pvt Ltd).
  
• A Public Company must end with "Limited" (Ltd).

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A Brief About Acceptable Name for LLP

An acceptable LLP or company name in India consists of three key components. The Name Part that gives the business a unique identity, such as "Bright" in Bright Solutions LLP. The Object Part that reflects the company's activity, like "Solutions" indicating a service-based business. The Constitution Part that defines the legal structure, such as "LLP" in Bright Solutions LLP.

Name Part

The Name Part is the unique and distinguishable element of a company or LLP name. It must comply with the Companies Act 2013 or the LLP Act 2008 and should not be identical or deceptively similar to existing companies, LLPs, or registered trademarks within the same industry. The ROC verifies the name to ensure distinctiveness and prevent duplication.

For example, a name like Bluewave Technologies LLP is acceptable because it is unique and clearly identifiable. However, Bluewave Tech LLP may be rejected as it closely resembles an existing name. Similarly, GreenVista Textiles Private Limited is a valid name, but Green Vista Private Limited may be considered too similar to an existing business and could face rejection. Ensuring a distinct name that does not match or closely resemble an existing company improves the chances of approval.

Object Part

The Object Part in a company or LLP name defines its primary business activity. It must be clearly stated to indicate the company's purpose and ensure compliance with naming regulations.

If two companies have similar name parts but different object parts, both names may still be approved, as long as they belong to distinct industries. However, names without a clear object part or with generic words like "dash Private Limited" are too vague and may be rejected by the ROC because it does not specify what the company does.

Related Read: Difference Between LLP and Partnership

Examples of Common Object Parts in Company and LLP Names

Constitution Part

The Constitution Part indicates the legal structure of the business. It must match the type of entity being registered, ensuring clarity in compliance and business operations. Here are the specific terms which are used for different entities:

• Private Limited Company (Pvt Ltd) - For privately held businesses
  
• One Person Company (OPC) - For single-owner companies
  
• Limited Company (Ltd) - For publicly listed businesses
  
• Limited Liability Partnership (LLP) - For partnership-based entities with limited liability
  

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Minimum Authorised Capital For Certain Words

When registering a company, using specific words in its name requires meeting minimum authorised capital requirements as per the Companies Act 2013. Words like "Corporation," "International," and "Industries" have higher capital requirements to ensure that only financially strong businesses use them. This helps maintain credibility and prevents misuse of these terms by companies with limited resources.

Before you apply to register a company name, verifying the capital requirements is essential to ensure compliance and avoid rejection. The table below outlines the required minimum authorised capital for specific words:

When Will Companies House Refuse to Register a Company Name?

Companies House may reject a name if it does not comply with legal guidelines. Below are the key reasons why a company name may be refused:

• Identical or Too Similar to an Existing Name: If the proposed name is the same or closely resembles an already registered company, it will be rejected.
  
• Offensive or Illegal Names: Any name containing offensive, abusive, or illegal terms will not be approved.
  
• Implying Government Affiliation: Names suggesting an association with the government, public authorities, or international organisations require special approval.
  
• Use of Sensitive Words or Symbols: Certain words, such as "Royal," "Bank," or "Trust," require prior consent before use.
  
• Misleading Use of Business Terms: Using terms like "Limited" (Ltd.), "Public Limited Company" (PLC), or "LLP" incorrectly or misleadingly can lead to rejection.
  

Objections to Company Names

Even after registration, objections to a LLP or company name may arise if it does not comply with legal requirements. Ensuring that the name is unique and non-misleading is crucial to avoiding disputes. Common reasons for objections include:

• Too Similar to an Existing Business: If a company name closely resembles another registered entity, the affected business can file an objection.
  
• Misleading Information During Registration: If false or inaccurate details were provided while registering the name, objections may be raised.
  
• Failure to Meet Registration Conditions: A name that does not adhere to naming regulations or lacks necessary approvals may face challenges.
  
• Opportunistic Registration: If a name is registered to take advantage of another company’s goodwill, it can be legally disputed.
  

Related Read: How much does an LLP cost in India?

How to Check Company Name Availability Online?

Before registering a company, you must check whether the proposed name is available to avoid rejection. The Ministry of Corporate Affairs (MCA) portal provides an online tool to verify company name availability. Here’s a step-by-step guide to checking a company name online:

1. Visit the MCA Website: Go to www.mca.gov.in.
2. Access the Name Availability Tool: Under the ‘MCA Services’ section, select ‘For Services’ from the drop-down menu and then select ‘Check Company/LLP Name’.
3. Enter the Proposed Name: Type the desired company name in the search box and click on the ‘Search’ button.
4. Review the Results: The portal will indicate whether the name is available or already registered.

Additional Checks for Better Approval Chances

• Trademark Search: Use the Razorpay Rize Name Search Tool to check for potential trademark conflicts.
• Alternative Name Options: Verify multiple name options to avoid rejection and ensure compliance with naming rules.

Conclusion

Choosing the right company or LLP name is crucial for legal compliance and brand identity. Ensure the name is unique, relevant, and adheres to MCA guidelines to avoid objections. Conduct a thorough name availability check on the MCA portal and verify potential trademark conflicts before finalising a name. A well-chosen name not only simplifies registration but also builds a strong brand identity while ensuring long-term legal compliance.

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Frequently Asked Questions