<Table> State Bank of India <Tr> <Td_colspan="2"> </Td> </Tr> <Tr> <Td_colspan="2"> State Bank Bhavan at Nariman Point in Mumbai </Td> </Tr> <Tr> <Th> Type </Th> <Td> Public </Td> </Tr> <Tr> <Th> Traded as </Th> <Td> <Ul> <Li> NSE: SBIN </Li> <Li> BSE: 500112 </Li> <Li> LSE: SBID </Li> <Li> BSE SENSEX Constituent </Li> <Li> CNX Nifty Constituent </Li> </Ul> </Td> </Tr> <Tr> <Th> Industry </Th> <Td> Banking, financial services </Td> </Tr> <Tr> <Th> Founded </Th> <Td> <Ul> <Li> 2 June 1806, Bank of Calcutta </Li> <Li> 27 January 1921, Imperial Bank of India </Li> <Li> 1 July 1955, State Bank of India </Li> <Li> 2 June 1956, nationalization </Li> </Ul> </Td> </Tr> <Tr> <Th> Headquarters </Th> <Td> Mumbai, Maharashtra, India </Td> </Tr> <Tr> <Th> Area served </Th> <Td> Worldwide </Td> </Tr> <Tr> <Th> Key people </Th> <Td> Rajnish Kumar (Chairman) </Td> </Tr> <Tr> <Th> Products </Th> <Td> Consumer banking, corporate banking, finance and insurance, investment banking, mortgage loans, private banking, private equity, savings, securities, asset management, wealth management, credit cards </Td> </Tr> <Tr> <Th> Revenue </Th> <Td> ₹ 298,640.45 crore (US $47 billion) (2017) </Td> </Tr> <Tr> <Th> Operating income </Th> <Td> ₹ 50,847.90 crore (US $7.9 billion) (2017) </Td> </Tr> <Tr> <Th> Profit </Th> <Td> ₹ 10,484.10 crore (US $1.6 billion) (2017) </Td> </Tr> <Tr> <Th> Total assets </Th> <Td> ₹ 2,705,966.30 crore (US $420 billion) (2017) </Td> </Tr> <Tr> <Th> Total equity </Th> <Td> ₹ 144,274.65 crore (US $22 billion) (2016) </Td> </Tr> <Tr> <Th> Owner </Th> <Td> Government of India (61.23%) </Td> </Tr> <Tr> <Th> Number of employees </Th> <Td> 209,567 (2017) </Td> </Tr> <Tr> <Th> Capital ratio </Th> <Td> 13.12% (2016) </Td> </Tr> <Tr> <Th> Website </Th> <Td> sbi.co.in </Td> </Tr> <Tr> <Td_colspan="2"> Footnotes / references </Td> </Tr> </Table> <Tr> <Td_colspan="2"> State Bank Bhavan at Nariman Point in Mumbai </Td> </Tr>

Who is the head of state bank of india