The correct option is A 5th
Justice S. Ratnavel Pandian (89), the former Supreme Court judge, has passed away at Chennai, Tamil Nadu on February 28,2018. He was a multi-faceted personality who tried his hands in politics before entering the legal profession. In the apex court, he was part of a Bench that decided the famous Indra Sawhney case, in which the constitutionality of reservations to Backward Classes was upheld in 1992. After his retirement in 1994, Justice Pandian headed the 5th Central Pay Commission and submitted its final report in April 1997. He took over as chairperson of the National Commission for Backward Classes on August 14,2006 and was given the status of Union Cabinet Minister for the duration of the term of his office, which lasted till 2009.