Jaipur, Jan 06 (ANI): Family of Eminent free-market economist Arvind Panagariya on Tuesday rejoiced at his appointment as Vice Chairman of Prime Minister Narendra Modi's new policy commission, or NITI Aayog. His brother and relatives said that Panagariya will work for the nation and will bring great developments in the favour of India. Giving a final shape to the NITI Aayog, the government on Monday appointed US-based economist and Columbia university professor Arvind Panagariya as the first vice chairperson of the newly created agency.