error 31 income tax notice

Dear sir

i filled an itr 4 last year  for a contractor without balance sheet and profit and loss account with gross receipt 1250000/- and profit 20% because there was no books of accounts maintained and i received a notice error 31  .now ,can i filed a response with itr 4S or file a revised return in form itr 4S for 44AD income because that notice i received before 15 days

Please guide me