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.
Take context from the input text and decide on the accurate relationship between 'Raghuram Rajan' and 'Reserve Bank of India' from the options provided.
Options: chairperson, employer, original broadcaster, business division