In which of the following cases the reservation for Jats was struck down?

A. Ram Singh v. Union of India, 2015 (3) SCALE 570

B. Uttar Pradesh Power Corpn. Ltd. v. Rajesh Kumar, AIR 2012 SC 2728

C. Prem Kumar Singh v. State of Uttar Pradesh, 2011 (3) ALJ 343

D. Dr. Gulshan Prakash v. State of Haryana, (2009) 14 SCALE 290

Answer: Option A