What happen if we do not reply communication u/s 143(1)(a)

Mujahid Ahamed (Student) (35 Points)

14 August 2017  
  1. What happen if we do not reply to Communication u/s 143(1)(a)
  2. Even after Submitting response to Proceeding if AO find any unnecessary adjustments in response, What will happen?
  3. Is it compulsory to attach supporting documents before submitting response to Communication u/s 143(1)(a)