Step 1: Identify the correct amendments and their provisions.
- (A) Hundred and One Constitutional Amendment Act → (1) Extension of reservation for SCs and STs in Union and State Legislature
- (B) Hundred and Two Constitutional Amendment Act → (III) National Commission for Backward Classes
- (C) Hundred and Three Constitutional Amendment Act → (II) Reservation for Economically Weaker Section
- (D) Hundred and Four Constitutional Amendment Act → (IV) Goods and Service Tax