Under pressure back home to cut rates,  Reserve Bank of India (RBI) Governor Raghuram Rajan on Friday said global economies witnessing sustainable growth need to raise rates although not in a “one go, big bang” manner and that market volatility concerns should not come in the way of central bank decisions.
Utilize the input text as a context reference, choose the right relationship between 'Raghuram Rajan' and 'Reserve Bank of India' from the options.
Options: chairperson, employer, original broadcaster, business division