Rejection of request for rectification under section 154

Dear Sir/ Madam 

I have received following  Communication from Centralised Processing Center Income Tax Department 

As seen from the return of Income Filled by the assessee It is seen that the assessee has not filled the sch.dep. and DPM to claim the Depreciation of Rs 13547/- hence the same has correctly not been allowed hence there is no mistake apparent from the records to be rectified .

Now anybody please give me suggetion on above mattar what I can do to rectify my this mistake .