Arts. 15(4), 16(4) - Reservation in education and services vis a vis arts. 243D(6) and 243T(6) – Reservation in local self government – The Constitution Bench held that Social and economic backwardness does not necessarily coincide with political backwardness - 2010 (4) AWC 3819 Dr. K Krishna Murthy v. UOI (Supreme Court - 5 Judges Bench) Decided on 11.05.2010