In GSTR-1 the sales made for the month should be shown in B2C Small. and
For GSTR 3B
for reference pls follow the link
https://www.teachoo.com/6645/1948/Download-GSTR-3B-Return-in-Excel-Format/category/GST-Return-
sales are to be shown in 3.1 (a)
Written on Oct. 1, 2017, 2:20 p.m.