Defective return u/s 139 (9)

My Client has received a notice u/s 139 (9) of the Income tax act 1961, mentioning that the return filed is defective, since no details in Profit and Loss and Balance Sheet have been submitted. The return was a loss return. Can i do away with the loss and file a return showing nominal profit?? (where in my client wont have to submit the profit and loss and balance sheet details)