In India, which one of the following cases did the Supreme Court uphold the power of States to sub-classify reserved category groups, viz. the Scheduled Castes and Scheduled Tribes (SC/STs), into different groups based on their inter se backwardness for extending the benefits of reservation?
1
Indra Sawhney v. Union of India
2
Navtej Singh Johar v. Union of India
3
Maneka Gandhi v. Union of India
4
State of Punjab and ors vs Davinder Singh