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Read before you file.
Guide
Form 16 Explained: Part A and Part B, How You Get It, What to Check Before Filing, and What to Do Without One
What Part A and Part B contain, why only your employer can download it, the 15 June deadline, the five checks before filing, and how to file without it.
Read guide→GuideIncome Tax Notices Explained: Every Common Section, What It Means, the Time You Have to Reply, and How to Tell a Real Notice From a Fake
143(1), 139(9), 142(1), 143(2), 148A, 245 and 156: what triggers each, how long you have, how to reply on the portal, and how to verify the notice is genuine.
Read guide→Free toolOld vs new tax regime calculator
Compare both regimes for FY 2026-27 and see which saves you more, before you file.
Open calculator→Official references
The statutory sources behind this page. We keep our guidance aligned to them — verify anything time-sensitive directly.
- Income Tax DepartmentReturns, forms, rates and e-filing utilities
- TRACESTDS certificates and justification reports
- Ministry of Corporate AffairsCompanies Act filings, forms and fee schedules
Facts on this page are checked against these sources; the date of the last check is shown at the top of the page. It is general guidance, not advice on your specific facts. How we write and check our guides.