TDS REFUND - URGENT QUERY

B Vinay Reddy (Hyderabad ) (7842 Points)

13 April 2017  
Assessee didn't file the return for AY 12-13,13-14,14-15.
Now he was unable to efile as due date expired
But TDS amount for respective AY cumulatively is ₹ 1 lakh
Now he want to claim the refund
How we can get the refund