What was the landmark judgement delivered by the Supreme Court of India regarding the sub-classification of SCs and STs?
1
State governments do not have the power to sub-classify SCs and STs for the purpose of reservation.
2
State governments have the power to sub-classify SCs and STs for the purpose of reservation.
3
Only the central government can sub-classify SCs and STs.
4
Sub-classification of SCs and STs is unconstitutional.