Difference turnover for composition dealer

A registered composite scheme dealer sales of goods turnover rs:55 lacs only show in cmp-08 and gstr-4 annual return filed f.y.21-22
sales of goods turnover rs:65 lacs (difference sales turnover increased stock adjustment purpose) and rental income rs:2,40,000/- show in it returns in f.y.21-22
question:
1.dealer difference turnover rs:10 lacs show procedure in gst return
2.dealer difference turnover tax pay procedure