How to edit a security record on capital gain page? myITreturn Helpdesk Updated May 20, 2016 11:31 Follow On the listing page, you can click on edit to modify the record. Capitan Gain, Security Record, Edit CG, Tax filing Explained the steps to edit or correct security record. Have you filed your Income-tax return yet? Click here to start now. Comments 0 comments Please sign in to leave a comment.