<Table> Directorate General of Civil Aviation <Tr> <Td_colspan="2"> नागर विमानन महानिदेशालय </Td> </Tr> <Tr> <Td_colspan="2"> Directorate General of Civil Aviation, India </Td> </Tr> <Tr> <Th_colspan="2"> Agency overview </Th> </Tr> <Tr> <Th> Headquarters </Th> <Td> New Delhi, India 28 ° 34 ′ 58.56" N 77 ° 12 ′ 47.12" E ﻿ / ﻿ 28.5829333 ° N 77.2130889 ° E ﻿ / 28.5829333; 77.2130889 </Td> </Tr> <Tr> <Th> Minister responsible </Th> <Td> <Ul> <Li> Pusapati Ashok Gajapathi Raju, Indian Politician., Minister of Civil Aviation </Li> </Ul> </Td> </Tr> <Tr> <Th> Agency executive </Th> <Td> <Ul> <Li> BS Bhullar, Director General </Li> </Ul> </Td> </Tr> <Tr> <Th> Child agencies </Th> <Td> <Ul> <Li> Airports Authority of India </Li> <Li> Air India </Li> <Li> Pawan Hans </Li> </Ul> </Td> </Tr> <Tr> <Th> Website </Th> <Td> Official website </Td> </Tr> </Table> <Tr> <Td_colspan="2"> नागर विमानन महानिदेशालय </Td> </Tr>

Who is the director general of civil aviation