C.A FINAL STUDENT AND QUALIFIED C.M.A
563 Points
Joined December 2013
It seems that you do not maintain any books of accounts or records. Account for both the sales and purchases with the help of documents if any or else bank statements. File return of Income under presumptive basis (minimum requirement).
Non filing in such cases results in severe consequences like treating all the credits in bank accounts as sales or as unexplained credits etc