In the context of the input sentence, determine the relationship between 'Arundhati Bhattacharya' and 'State Bank of India'.
Options: headquarters location, member of, employer, original broadcaster

The country’s biggest lender, State Bank of India (SBI), plans to launch 250 Intouch Lite branches in FY16 as part of its digital push, chairman Arundhati Bhattacharya said.
employer