Go to contact Your AO... If He is accept your request then you can file Your ITR... In case You (client) had any notice from ITD then You can file Your ITR...
You can get TDS credit of A.Y. 2015-16 in the return of A.Y. 2016-17 and he will receive notice from CPC for Non-filing of Income Tax Return as TDS has been deducted, at that point of time you can give reply for the same.