Economy How to compute long-term capital gains with scrip-wise details in your income tax return Updated : July 29, 2019 06:58 PM IST The calculation of long-term capital gains is complex due to the grandfathering of capital gains until the cut-off date of January 31, 2018. Taxpayers should make transaction-wise computation of capital gains and losses, and then net the individual losses against the gains. Subscribe to Moneycontrol PRO at just Rs.33/- per month for the first year. Use code SUPERPRO. Limited period offer. Available on Web and Android.