Itr1 in a y 2013-14 offline(manual)

Sir,  A notice recd from CPC BAngaluru  abount TDS short deposited Rs 977.00

I had filled ITR 1 (offline (Manual)) in A Y 2013-14 TDS deposit by Employer & Self Deposited (Rs 977.00) In ITR i had separately mention in Self assessment Column , but Nagaur office they not entered the above amount. I had 3 Reminder Sent to Nagaur  & Bangajore Office , but Every 15Days  Notice recd by US.

What can i do Pl Guide Me.

(R K JOSHI