Short payment of output tax for F Y 2018_19

Sreeram Kanchanam (43 Points)

17 April 2021  
sir,

we have made short payment of output tax for Rs.8,25,000/- for FY 2018-19.
can we pay now along with GST return of March 2021 through GSTR3B (March 2021 yet to file)/can we pay through DRC:03.
is this attract Interest or penalty. if it attracts what is the rate of interest.
please suggest us in this regard

regards,
Sreeramulu Kanchanam