Official portals in one place. Always use official websites for filing, payments and applications.
| Purpose | Official site |
|---|---|
| Income Tax e-filing, PAN–Aadhaar linking | incometax.gov.in |
| GST registration and returns | gst.gov.in |
| GST law, rates and notifications (CBIC) | cbic-gst.gov.in |
| Company and LLP filings | mca.gov.in |
| Reserve Bank of India | rbi.org.in |
| Punjab Government eTenders | eproc.punjab.gov.in |
| Central Public Procurement Portal | eprocure.gov.in |
| Government e-Marketplace | gem.gov.in |
| EPFO | epfindia.gov.in |
| DGFT and IEC | dgft.gov.in |
| Controller of Certifying Authorities (licensed CAs) | cca.gov.in |
| Aadhaar services | uidai.gov.in |
Links reviewed: 27 October 2026. Report a broken link on WhatsApp.