Knowledge bank
Calculators, due dates and official links for quick reference.
Income tax calculator
Tax Year 2026-27 (FY 2026-27), resident individuals. Budget 2026 kept slabs, standard deduction and rebate unchanged.
For example: provident fund, life insurance, ELSS, health insurance, home-loan interest, HRA exemption. Not allowed under the new regime.
Estimate only. Includes surcharge (without marginal relief on surcharge) and 4% health and education cess. Special-rate income such as capital gains is not covered. Please consult us before filing.
GST calculator
HRA exemption calculator
Applies under the old regime only. Enter annual figures. Under the Income-tax Rules, 2026, the 50% limit applies in eight cities from Tax Year 2026-27.
Loan EMI calculator
SIP calculator
Returns are assumed for illustration and are not guaranteed.
Compliance calendar
Common recurring due dates for businesses, checked on 7 November 2026. Income earned from 1 April 2026 falls under the Income-tax Act, 2025 (Tax Year 2026-27). Due dates are often extended or revised by notification, so please verify the current date before relying on it.
Every month
| Due by | Compliance | Law |
|---|---|---|
| 7th | Deposit of TDS and TCS deducted or collected in the previous month (March deductions: 30 April) | Income-tax |
| 10th | GSTR-7 (TDS) and GSTR-8 (TCS by e-commerce operators) | GST |
| 11th | GSTR-1 for monthly filers | GST |
| 13th | GSTR-6 (input service distributor); IFF for QRMP taxpayers (optional) | GST |
| 15th | PF and ESIC contributions and returns | Labour |
| 20th | GSTR-3B for monthly filers; GSTR-5A | GST |
| 25th | PMT-06 tax payment for QRMP taxpayers (first two months of the quarter) | GST |
| Last day | Professional tax payment and return (Maharashtra, monthly payers) | Professional tax |
Quarterly and annual
| Due by | Compliance | Law |
|---|---|---|
| 15 Jun, 15 Sep, 15 Dec, 15 Mar | Advance tax instalments (15%, 45%, 75%, 100%) | Income-tax |
| 31 Jul, 31 Oct, 31 Jan, 31 May | Quarterly TDS and TCS returns: Form 138 (salary), Form 140 (resident), Form 144 (non-resident) and Form 143 (TCS), which replace Forms 24Q, 26Q, 27Q and 27EQ | Income-tax |
| 22nd / 24th after quarter end | GSTR-3B for QRMP taxpayers (by state category) | GST |
| 30 Apr and 31 Oct | MSME Form 1 (half-yearly outstanding dues to MSMEs) | Companies Act |
| 30 May | LLP Form 11 (annual return) | LLP Act |
| 30 Jun | DPT-3 (return of deposits) | Companies Act |
| 31 Jul | Income-tax return in ITR-1 or ITR-2 (no business or professional income) | Income-tax |
| 31 Aug | Income-tax return in ITR-3 or ITR-4 for business or professional income not liable to audit | Income-tax |
| 30 Sep | Tax audit report; last date to hold the AGM | Income-tax / Companies Act |
| 30 Oct | LLP Form 8 (statement of account and solvency) | LLP Act |
| 31 Oct | Income-tax return for audit cases (including partners of audited firms); transfer pricing accountant’s report | Income-tax |
| 30 days from AGM | AOC-4 (financial statements) | Companies Act |
| 60 days from AGM | MGT-7 / MGT-7A (annual return) | Companies Act |
| 30 Nov | Income-tax return for cases with transfer pricing report | Income-tax |
| 31 Dec | GSTR-9 and GSTR-9C (annual return and reconciliation) | GST |
| 30 Jun 2028, then every three years | DIR-3 KYC for directors (now once every three years instead of every year, from 31 March 2026) | Companies Act |
Useful links
Official portals of regulators and government departments.
