Revise return after assessment u/s 143(3)

Jagannath Unwane (Student CA Final ) (41 Points)

16 January 2017  
Dear All, we have Completed the assessment for AY 2014-15 u/s 143(3) in which certain additions were made by AO which are accepted by us now wants to file revised return for the same Can anyone help me what is the procedure for filing revise return in such case Thnx Jagannath