Which gst turnover to show in income tax returns ? either from form 3-b or gstr-1 ?

Friends,

As we are nearing Income Tax Audit work, I want to ask one question, whether I should show Turnover shown in that form 3B or GSTR-1 ? (when Turnover is difference from GSTR-3B & GSTR-1 ?

T & R

K P Bhanushali