ITC related to FY 17-18

Kiran chavhan (Navi peth ) (204 Points)

07 May 2022  
sir or madam
I have availed itc in fy 17-18 as it was B2B transaction but my dealer showed B2C transaction so i got the notice for same from dept.
we already have filed gstr 9 in 2020
please suggest what should i do?
itc amount is more than Rs. 200,000