Mistake in GSTR 3B

Mayank Gupta (370 Points)

02 November 2018  
I made a mistake in GSTR 3B for September of paying Rs 10 less GST tax.

How may I rectify it in GSTR 3B of October? I didn't sell any taxable item in October so where should I show this Rs 10 tax in GSTR 3B? And how much interest i'll have to pay?