Intetest on belated file of GSTR3B

Hemanta Samal (93 Points)

12 February 2019  
Sir i have filed my GSTR 3B for the tax period April to December 2018 in January 2019. Is i am liable to pay intetest on the unpaid amount remain due from it's due date. Is late fee is aplicable in belated return.? Please reply..