New Delhi, Jan 13 (ANI): Noted economist Arvind Panagariya took charge as the first Vice-Chairman of the newly-created NITI Aayog on Tuesday. The government had announced the appointment of Vice-Chairman, 2 full time members, 4 ex-officio members (Union ministers) and 3 special invitees for the Aayog on January 5. NITI Aayog has replaced the 65-year old Planning Commission, a vestige of the socialist era. As per the notification, Prime Minister Narendra Modi will be the Chairman of the body.