13 February 2018
As per section 17(5) of CGST Act input tax credit on motor vehicles shall be available only if they are used for:
Supply of vehicles
Transportation of passenger service
Imparting training on such vehicles.
So unless the purpose of the vehicle is any of the above you cant claim input tax credit
30 October 2026
On the second question: show the car invoice's GST in GSTR-3B Table 4(A)(5) and reverse the same amount in Table 4(B)(1) as blocked under Sec 17(5) (Circular 170/02/2022-GST); note the block applies only to vehicles seating up to 13 persons, not to goods vehicles.