Returns, e-Pay Tax, refund status, Form 168 (earlier 26AS), AIS, grievances.

Notifications, circulars, forms, downloads and offline utilities.

TDS deductor login — Forms 130/131 (earlier 16/16A), conso files, justification reports, corrections.

Registration, returns, payments, refunds, notices and appeals.

Generate, update and cancel e-way bills; bulk generation tools.

Master portal for invoice registration, search and verification. Generation IRPs sit on separate domains.

Indirect tax notifications, circulars, customs tariff and rate finder.

Customs e-filing — bills of entry, shipping bills, duty payment, IGST refunds.

Council meeting decisions, recommendations and rate change history.

Company and LLP filings, SPICe+, name reservation, DIN services.

MSME registration, certificate download and amendment.

IEC application and modification, export incentives, licences.

FDI reporting — FC-GPR, FC-TRS, LLP-I and annual return on FLA.

Unclaimed dividend and share transfer claims, IEPF-5 filing.

Insolvency regulations, public announcements and registered professionals.

ECR upload, challan generation, KYC approval, exit marking.

For employees: UAN, passbook, claims, transfer requests.

Employer registration, contribution filing and insured person details. Employer login is reached from the main site.

Unified labour compliance — LIN, consolidated returns, inspection reports.

State GST and professional tax registration and payment. Professional tax is remitted by the 10th of the following month.

Shops & establishments registration, labour licences, returns.

Verify a GSTIN, legal name, registration status and filing history.

Search HSN and SAC codes with applicable GST rates.

Look up CIN, status, directors and charges. Reach it from the MCA home page — the deep link changed with the V3 migration.

Check linkage, verify PAN status and validate a TAN.

Verify an MSME Udyam registration number and print the certificate.

The most common DSC token in India. Windows, macOS and Linux drivers.

HyperPKI middleware that manages the HYP2003 token.

ProxKey is the India brand for Watchdata tokens.

Microsoft-certified, so it usually installs itself through Windows Update.

The newer 5110 (940-B) needs driver version 10.8-R8 or later.

After login: your name → Register/Update DSC → instructions for installing the signer utility. Needs Java and admin rights; keep emSigner running while you sign.

DSC Management Utility for Windows, macOS, Red Hat and Ubuntu. Needed to register the DSC and to sign returns and forms on the e-Filing portal.

MCA’s DSC system requirements page has the emSigner (web socket) installer and steps. If the DSC is not detected, restart emSigner before signing again.

After login: Downloads → Requested Downloads → TRACES WebSigner Setup V2.0. Needs 32-bit Java and no browser proxy. Used for DSC registration and signing requests.

Protean’s return utility and file validation utility run on Java. RPU 1.2 / FVU 1.2 are for TY 2026-27 onwards; RPU 6.0 / FVU 9.5 for statements up to FY 2025-26.

DSC approval uses a Java-based signer: allow it when the browser asks. Class 3 DSC only, and the name on it must match the authorised signatory details.

Services → Digital Signature Certificate → Sign using DSC → Download Signer Utility (nCode PKI component). Needs Java 8.

Install the E-Lock SuperSigner Plus client from CERSAI before registering a charge. On “error initializing signer”: close all browsers, reinstall, and run as administrator.

For corporate actions, the NSDL issuer portal uses the E-Lock SuperSigner Plus client, downloaded after login. DSC is mandatory for the Checker; documents uploaded at registration must be signed.