<Table> <Tr> <Td_colspan="2"> </Td> </Tr> <Tr> <Th_colspan="2"> Agency overview </Th> </Tr> <Tr> <Th> Formed </Th> <Td> 1 January 2015; 3 years ago (2015 - 01 - 01) </Td> </Tr> <Tr> <Th> Preceding </Th> <Td> <Ul> <Li> Planning Commission </Li> </Ul> </Td> </Tr> <Tr> <Th> Jurisdiction </Th> <Td> Government of India </Td> </Tr> <Tr> <Th> Headquarters </Th> <Td> New Delhi </Td> </Tr> <Tr> <Th> Agency executives </Th> <Td> <Ul> <Li> Narendra Modi, Chairman </Li> <Li> Rajiv Kumar, Vice Chairman </Li> <Li> Bibek Debroy, Member </Li> <Li> V.K. Saraswat, Member </Li> <Li> Ramesh Chand, Member </Li> <Li> Vinod Paul, Member </Li> <Li> Amitabh Kant, CEO </Li> <Li> Dinesh Arora, Director </Li> </Ul> </Td> </Tr> <Tr> <Th> Parent agency </Th> <Td> Government Of India </Td> </Tr> <Tr> <Th> Website </Th> <Td> www.niti.gov.in </Td> </Tr> </Table> <Tr> <Th_colspan="2"> Agency overview </Th> </Tr>

Who is the vice chairman of niti aayog constituted in 2015