The correct answer is (b) K. Chandrashekhar.
K. Chandrashekhar, the then Finance Minister of Karnataka, took over as the Chairman of the Empowered Committee of State Finance Ministers on ‘GST’ in March, 2015. The Empowered Committee was set up in 2000 to advise the Central Government on the introduction of GST. The Committee was chaired by the Finance Minister of the State with the highest tax revenue.
M. Ravi is a former Indian Administrative Service officer who served as the Chief Secretary of Karnataka from 2007 to 2010. He is currently the Chairman of the Karnataka State Road Transport Corporation.
K.M. Mani is a politician from Kerala who served as the Finance Minister of Kerala from 1996 to 2016. He is the leader of the Kerala Congress (M) party.
Ram Gopal Yadav is a politician from Uttar Pradesh who is the President of the Samajwadi Party. He is the Member of Parliament from Azamgarh.