Interest on non-filing of 3b on due date

matin bagwan (student) (24 Points)

04 September 2020  
Hi,

we have a turnover of more than 5 cr. and duly paid the gst for the month of July 2020 before due date. but failed to file 3b return for the same.

are we liable to interest on non filing of 3b on time?

please help us on the interest part.