Explanation:

The correct answer iArun Jaitley.
• Union Govt constituted a committee to oversee the public sector banks merger in 2017. • The committee was constituted on 31 October 2017.
• Former union finance minister Arun Jaitley was the chairman of this committee.
• The other members of the panel include Piyush Goyal and Nirmala Sitharaman.
• The idea of merging state-owned banks has started since 1991 based on the report of M. Narasimham. Arun Jaitley served as the minister of finance and corporate affairs of the union ministry from 2014 to 2019.
• He was honoured with the Padma Vibhushan award, posthumously in 2020.
• He was a former senior advocate of the Supreme Court of India.