Sanjeev Sanyal has been serving as the Finance Ministry’s Principal Economic Adviser since February 2017 and his addition to the Economic Advisory Council to the PM is expected to aid the top advisory body.
source https://www.jagranjosh.com/current-affairs/sanjeev-sanyal-appointed-as-a-full-time-member-of-economic-advisory-council-to-pm-1645599566-1