Difference purchase and sale for composite dealer

Kollipara Sundaraiah (B.com) (2963 Points)

26 June 2022  
A Gst registered composite scheme dealer
1.purchase value rs:60 lacs show in gstr-4 annual return filed in f.y.21-22.but ais information download purchase value rs:75 lacs show in it portal.
2.dealer sales turnover rs:50 lacs declared in gstr-4 annual return in f.y.21-22 filed.but dealer sales turnover declared rs:65 lacs show in it returns in f.y.21-22.
question:
dealer purchase and sale turnover difference show procedure gst returns in f.y.21-22.