Is a DSC mandatory for MCA/ROC filings?

Yes. Nearly all filings on the MCA21 portal — including incorporation, annual returns, and DIR-3 KYC — require a valid Class 3 DSC to submit.

Does every director need their own DSC?

Yes, in most cases. Each director typically needs an individual DSC for personal filings like DIR-3 KYC, even if the company also holds a separate Organisation DSC for entity-level filings.

What happens if I miss DIR-3 KYC because my DSC expired?

Late or missed DIR-3 KYC filings can result in the director's DIN being marked as "Deactivated" by the MCA, along with penalty fees. Renewing your DSC ahead of the filing deadline avoids this.

Can one DSC be used for both MCA and GST filings?

Yes. A Class 3 DSC issued for MCA filings can also be used for GST, income tax, and other portals accepting Class 3 certificates, provided it matches the correct entity type (individual vs organisation) required by that filing.

How long does an MCA-compliant DSC take to get approved?

With DSCKart, approval typically takes about 15 minutes after documents and verification are complete, compared to 1-3 days with many traditional providers.

Do CAs and CS professionals need a different type of DSC?

No — practicing professionals use the same Class 3 Individual DSC as any other individual, issued in their own name, which they then use to certify and co-sign filings for their clients.

MCA · ROC · Guide

Digital Signature Certificate for MCA/ROC Filing: Complete Guide (2026)

Published July 25, 2026 · By DSCKart

If you're a company director, authorized signatory, or a CA/CS filing on behalf of a client, most filings with the Ministry of Corporate Affairs (MCA) and the Registrar of Companies (ROC) require a valid Digital Signature Certificate (DSC). This guide covers exactly which filings need one, which type to get, and how to apply.

Apply for your DSC now →Individual DSC →

What Is a DSC for MCA/ROC Filing?

A Digital Signature Certificate for MCA/ROC purposes is a Class 3 DSC used to electronically sign company filings on the MCA portal — including incorporation documents, annual returns, and director-related filings. It authenticates that the filing is genuinely submitted by the authorized person, carrying the same legal weight as a physical signature.

Which MCA/ROC Filings Require a DSC?

A DSC is required for most company filings on the MCA21 portal, including:

Company incorporation (SPICe+ forms)
Annual filings — AOC-4 (financial statements) and MGT-7/MGT-7A (annual return)
DIR-3 KYC — mandatory annual director KYC verification
Charge creation/modification — CHG-1, CHG-4 for company loans/charges
Changes to company details — director appointments/resignations, registered office changes
LLP filings — Form 8, Form 11 for Limited Liability Partnerships

Without a valid DSC, none of these filings can be submitted on the MCA portal.

Who Needs This DSC?

Company directors — every director typically needs their own DSC for DIR-3 KYC and to sign filings in their capacity as director
Authorized signatories — the person designated to file on behalf of the company
Practicing CAs/CS/CMAs — professionals who certify and co-sign company filings need their own DSC as certifying professionals, separate from the company's DSC

Individual DSC or Organisation DSC — Which One for MCA Filing?

This is where people often get confused. Here's the distinction:

	Individual DSC	Organisation DSC
Issued in name of	The director / individual	Authorized signatory, linked to company/LLP name
Used when	Signing in personal capacity — e.g. DIR-3 KYC, professional certifications	Filing on behalf of the company entity — e.g. annual returns, incorporation
Documents needed	PAN, Aadhaar, photograph	Company PAN, COI, signatory PAN/Aadhaar, Board Resolution, photograph
Typical MCA use	DIR-3 KYC, CA/CS attestations	SPICe+, AOC-4, MGT-7, CHG-1

In practice, many directors end up needing an Individual DSC for their personal DIR-3 KYC obligation, while the company separately maintains an Organisation DSC for entity-level filings.

Documents Required

For Individual DSC (director/signatory, personal capacity):

PAN card
Aadhaar card (front and back)
Passport-size photograph

For Organisation DSC (entity-level filings):

Company PAN card
Certificate of Incorporation
Authorized signatory's PAN and Aadhaar
Board Resolution or Authorization Letter
Signatory's passport-size photograph

How to Get Your MCA-Ready DSC — Step by Step

Identify the right type — Individual (personal director filings) or Organisation (company-level filings)
Submit documents — DSCKart allows document submission directly via WhatsApp
Complete video/OTP verification — a standard identity check required by all Certifying Authorities
Receive your Class 3 DSC — ready to use immediately on the MCA portal

With DSCKart, this process is designed to take around 15 minutes from document submission to approval.

Using Your DSC on the MCA Portal

Log in to the MCA21 portal (mca.gov.in)
Open the relevant form (e.g., DIR-3 KYC, AOC-4, SPICe+)
Fill in the required details and proceed to the signing step
Attach your DSC using the MCA's signer utility (emSigner or equivalent)
Select your certificate, enter your token PIN, and submit

Frequently Asked Questions

Get Your MCA/ROC-Ready DSC in 15 Minutes

Whether you need an Individual DSC for your director KYC or an Organisation DSC for your company's annual filings, DSCKart handles document verification and issuance online — approved in as little as 15 minutes.

Apply for your DSC now →Individual DSC →