Tax calculation commodity wise for composite dealer

Kollipara Sundaraiah (B.com) (2984 Points)

29 January 2023  
A registered dealer sales turnover rs:35 lacs from 01-07-17 to 31-03-2019 tax period for composition scheme after dealer conversation regular scheme.if scrutiny of returns by gst department actual turnover rs:85 lacs.
question:
gst department tax calculation instead of comodity wise tax rate for composition is correct.