assessment fy 16-17

Check in the online portal, in the worklist- for your action or make refund reissue request

It do happens sometimes, because of many different reasons.
U need to work out the reason why u are not getting the refund. Reasons can be

Account number wrong
Ifsc wrong
TDS claimed not available
Old outstanding demand etc.
Just logged in to the account and see the reason.

If it is failed then as per sundram sir u can raise request for refund reissue