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MCA Compliance

How to File Form INC-6 on MCA Portal

This guide explains how to file Form INC-6 on the MCA portal — the form used to convert a One Person Company into a private/public company or vice versa. Form INC-6 at a glance...

Written byDirector, TaxClue
Published
Updated
Reading time
4 min
Questions
4 answered
  • High Complexity
Topic
MCA Compliance
Published
August 20, 2026
Last updated
Aug 20, 2026
Reading time
4 min
0:00
Last updated: August 2026Verified against: Government sources

How to File Form explained: this guide covers what it means, who it applies to, the step-by-step process, documents required, fees, due dates and penalties in India — so you can stay compliant with confidence and avoid costly mistakes.

This guide explains how to file Form INC-6 on the MCA portal — the form used to convert a One Person Company into a private/public company or vice versa.

Form INC-6 at a glance

FormINC-6 — INC-6 (Conversion of OPC)
PurposeTo convert a One Person Company into a private/public company or vice versa
Who filesOPCs converting, or private companies converting into an OPC
Due datewithin 30 days (voluntary) or 6 months (mandatory on crossing thresholds)

How to file Form INC-6 on the MCA portal

  • Log in to the MCA (V3) portal with your registered credentials
  • Search and open the Form INC-6 web form under the relevant company
  • Fill the required details and attach the supporting documents
  • Affix the Digital Signature (DSC) of the authorised signatory/director
  • Pay the applicable MCA fee and submit; note the SRN for tracking

Annual ROC compliance context

Form INC-6 is one part of a company's yearly MCA obligations. Companies must also keep up annual filings, board/AGM compliance and event-based forms.

  • Maintain statutory registers and minutes
  • File annual forms (AOC-4, MGT-7/7A) after the AGM
  • File event-based forms (DIR-12, PAS-3, CHG-1, etc.) within their timelines
  • Complete director DIR-3 KYC every year

More on Form INC-6

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Quick recapKey facts & short answers

Key Facts About How to File Form

  • Applies in: All states across India, under the relevant central law.
  • Mode: Mostly online via the official government portal.
  • Typical timeline: Ranges from a few days to a few weeks depending on the case.
  • Non-compliance: May attract penalties, interest or late fees.
  • Expert help: TaxClue completes the entire process end to end for you.

What is Form INC-6 used for?

Form INC-6 is used to convert a One Person Company into a private/public company or vice versa.

Who has to file Form INC-6?

OPCs converting, or private companies converting into an OPC.

Good governance is mostly good record-keeping done on time.

— TaxClue Corporate Law Desk

How to File Form: a key compliance topic in Indian tax and corporate law that businesses and individuals must understand to remain compliant.

Related Services & Guides

Why This Matters

Staying compliant with Indian regulations protects your business from penalties, interest and unnecessary legal trouble. It is always wise to maintain proper records and documentation so that any future scrutiny can be handled smoothly. Rules and thresholds in mca compliance are revised periodically, so it helps to review your obligations at the start of each financial year. Professional guidance from a qualified CA, CS or advocate ensures that filings are accurate and submitted well before the due date.

Small businesses and startups especially benefit from setting up a simple compliance calendar to track recurring deadlines. Government portals now allow most applications and filings to be completed online, reducing paperwork and turnaround time. Keeping your PAN, registration certificates and board resolutions organised makes every subsequent filing faster. When in doubt, it is better to seek clarification early rather than risk a notice or a late-filing penalty later.

A clear understanding of the applicable law helps you make confident, well-informed business decisions. TaxClue's experts regularly assist businesses across India with end-to-end mca compliance support at transparent, affordable pricing. Timely compliance also improves your credibility with banks, investors and government authorities. Reviewing your obligations with a professional at least once a year keeps your business audit-ready and stress-free.

Staying compliant with Indian regulations protects your business from penalties, interest and unnecessary legal trouble. It is always wise to maintain proper records and documentation so that any future scrutiny can be handled smoothly. Rules and thresholds in mca compliance are revised periodically, so it helps to review your obligations at the start of each financial year. Professional guidance from a qualified CA, CS or advocate ensures that filings are accurate and submitted well before the due date.

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Monika Sharma Director at TaxClue
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Disclaimer: This article is for general informational purposes only and does not constitute professional tax, legal or financial advice. Laws, rates and due dates change and can vary by individual case — always verify with the relevant government source (e.g. mca.gov.in, incometax.gov.in) or consult a qualified professional before acting. TaxClue accepts no liability for decisions taken based on this content.

People also ask

Questions, answered

Short, direct answers to the 4 questions readers ask most on this topic.

Form INC-6 is used to convert a One Person Company into a private/public company or vice versa.

OPCs converting, or private companies converting into an OPC.

Within 30 days (voluntary) or 6 months (mandatory on crossing thresholds).

Additional fees increasing with the delay.

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