If you've filed a revised Income Tax Return (ITR), it's crucial to e-verify it within 120 days of filing. Failing to do so will render your return invalid. While you can e-verify after March, ensure it's within this 120-day window. Alternatively, you can send a signed copy of the acknowledgement if e-verification isn't preferred.
17 March 2020
Better to e-verify it before march, else it will be an invalid return. You can also send a signed copy of the acknowledgement of you dont want to e-verify the return.