<Tr> <Td> Vice Admiral </Td> <Td> Lieutenant General </Td> <Td> Air Marshal </Td> </Tr> <Tr> <Td> Rear Admiral </Td> <Td> Major General </Td> <Td> Air Vice Marshal </Td> </Tr> <Tr> <Td> Commodore </Td> <Td> Brigadier </Td> <Td> Air Commodore </Td> </Tr> <Tr> <Td> Captain </Td> <Td> Colonel </Td> <Td> Group Captain </Td> </Tr>

How many corps are there in the indian army