Please explain to me that i filed gstr-3b for the month of july and gstr-1 for the month of july but when i was filing to GSTR-2 for the month of july that time i saw commission invoices of online portal like. amazon, flipkart but when i was filing GSTR-3B that time they did not provide commission invoice after august they provide due to this i did not take input credit in GSTR-3B so now i saw mismatch in GSTR-3B. In this case should i have to pay penalty and interest to govt. Please explain me as soon as possible.