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.
Refer to the input text as context and select the correct relationship between 'Raghuram Rajan' and 'Reserve Bank of India' from the available options.
Options: original broadcaster, business division, employer, chairperson