The law
Income-tax Act 1961, Sec 111A (now Sec 196)
Short-term gain on STT-paid listed equity, equity fund and business trust units: 15% for transfers before 23 July 2024, 20% on or afterSource
Income-tax Act 1961, Sec 112A(1) (now Sec 198) and (2)
Long-term gain above ₹1,25,000 taxed at 10% before 23 July 2024 and 12.5% on or after; the ₹1,25,000 limit applies to the total under both rates; STT on acquisition and transfer for shares, on transfer for unitsSource
Income-tax Act 1961, Sec 112A(5) (now Sec 198) and (6)
Chapter VI-A deductions and Sec 156 (old Sec 87A) rebate cannot be used against Sec 198 (old Sec 112A) gains or tax on themSource
Income-tax Act 1961, Sec 2(42A) (now Sec 2(101))
Listed shares and equity fund units are long term if held more than 12 monthsSource
Income-tax Act 1961, Sec 55(2)(ac) (now Sec 90; grandfathering)
For shares and units bought before 1 February 2018, cost is the higher of actual cost and the lower of FMV on 31 January 2018 (highest quoted price that day; NAV for units) and the sale priceSource
Income-tax Act 1961, Sec 48 (now Sec 72) proviso
STT is not deductible; brokerage, exchange charges, stamp duty and GST on brokerage are transfer expensesSource
Income-tax Act 2025, Sec 196
From tax year 2026-27: short-term gain on STT-paid equity at 20% (replaces Sec 111A)Source
Income-tax Act 2025, Sec 198
From tax year 2026-27: long-term gain above ₹1,25,000 at 12.5% (replaces Sec 112A); basic exemption shortfall adjustment for residents retainedSource
Income-tax Act 2025, commencement
1961 Act repealed on 1 April 2026; returns for AY 2026-27 (FY 2025-26) use old Act formsSource
Government fee
No government fee to report capital gains. Tax at 20% or 12.5% plus surcharge and 4% cess is paid by challan (advance tax or self-assessment tax) before filing. Source: https://incometaxindia.gov.in/Tutorials/15-%20LTCG.pdf
Late fee or penalty
Return after the Sec 263(1) (old Sec 139(1)) due date: fee under Sec 428 (old Sec 234F) of ₹5,000, capped at ₹1,000 where total income does not exceed ₹5 lakh (the official page opened shows the original 2017 text, which also had a ₹10,000 tier after 31 December). Source: https://www.incometaxindia.gov.in/w/section-234f . A belated return also loses the right to carry forward any capital loss (Sec 121, old Sec 80). Source: https://www.incometaxindia.gov.in/w/section-80-7