In FY 2017-2018 i have taken excess sales figure in GST 3b. So in 2018-2019 i have reduce that amount in 3B. But in GSTR 1 i have shown original sales of 2018-19. now in FY 2018-19 diffence sales figure shown in 3b and GSTR 1. Now i am confuse which sales figure i have to take in IT files. Whether 3B or GSTR 1. Please advice.