Income tax return

subash chandra chhotaray (Audit Executives) (35 Points)

17 July 2017  
Sir I have previously return filled for my client in ITR 4S that is under presumptive income and shows turnover above 20 Lakh, so now is it mandatory to take gst registration on basis of ITR , he does not have any tin/cin no. and also does not have any valid purchase/sales invoice/documents etc.