Composite dealer non gst returns filed period

A Gst registered composite scheme dealer sales turnover rs:12 lacs April -june-21 quarter CMP -08 filed.but dealer upto date CMP -08 not filed.
gst department notice issued details mentioned below
1.July -to September -21 rs turnover rs:12 lacs tax 12,000/-+ penalty
2.October to December -21 quarter rs:12 lacs turnover tax 12000/- +penalty
3.januvary to march-22 period turnover rs:12 lacs tax 12000/-+penalty
4.april-22 to june-22 quarter turnover rs:12 lacs tax 12000/- +penalty
question:
dealer above mentioned noticed show turnover tax and penalty pay compulsory.