<Table> <Tr> <Th_colspan="2"> Gateway of India </Th> </Tr> <Tr> <Td_colspan="2"> The Gateway of India, Mumbai </Td> </Tr> <Tr> <Td_colspan="2"> Location within Mumbai </Td> </Tr> <Tr> <Th_colspan="2"> General information </Th> </Tr> <Tr> <Th> Type </Th> <Td> Triumphal arch </Td> </Tr> <Tr> <Th> Architectural style </Th> <Td> Indo - Saracenic </Td> </Tr> <Tr> <Th> Location </Th> <Td> Mumbai, Maharashtra </Td> </Tr> <Tr> <Th> Coordinates </Th> <Td> 18 ° 55 ′ 19" N 72 ° 50 ′ 05" E ﻿ / ﻿ 18.9219 ° N 72.8346 ° E ﻿ / 18.9219; 72.8346 </Td> </Tr> <Tr> <Th> Elevation </Th> <Td> 10 m (33 ft) </Td> </Tr> <Tr> <Th> Construction started </Th> <Td> 31 March 1913 </Td> </Tr> <Tr> <Th> Completed </Th> <Td> 1924 </Td> </Tr> <Tr> <Th> Inaugurated </Th> <Td> 4 December 1924 </Td> </Tr> <Tr> <Th> Cost </Th> <Td> ₹ 2.1 million (1913) </Td> </Tr> <Tr> <Th> Owner </Th> <Td> Archaeological Survey of India </Td> </Tr> <Tr> <Th> Height </Th> <Td> 26 m (85 ft) </Td> </Tr> <Tr> <Th_colspan="2"> </Th> </Tr> <Tr> <Th> Diameter </Th> <Td> 15 metres (49 feet) </Td> </Tr> <Tr> <Th_colspan="2"> Design and construction </Th> </Tr> <Tr> <Th> Architect </Th> <Td> George Wittet </Td> </Tr> <Tr> <Th> Architecture firm </Th> <Td> Gammon India </Td> </Tr> <Tr> <Th_colspan="2"> Renovating team </Th> </Tr> <Tr> <Th> Architect </Th> <Td> George Wittet </Td> </Tr> </Table> <Tr> <Th_colspan="2"> Gateway of India </Th> </Tr>

Who built gate way of india and when