Crude oil prices could climb to $120 a barrel before cooling off, says SBI's Soumya Kanti Ghosh

State Bank of India's Group Chief Economic Advisor Soumya Kanti Ghosh says crude could climb to $120 a barrel before cooling, with India already paying a premium over Brent. He also flags rupee weakness past 96 and a possible breach of the 7% mark on India's 10-year bond yield.