Interest payment in case of delayed GSTR3B

pratik kumar (86 Points)

23 June 2018  
In case if payment of Taxes were made before 20th & if 3b is filed after 2 days on 22nd, will there be interest payment @ 18% per annum for 2 days delay on GST other than the late fee for late return.
Pls share your valuable opinion in the context of Act.