Interest rates will remain benign for some time as capacity utilisation remains low but the economy is showing definite signs of improvement and revival in corporate credit demand can be expected in four-six months, says State Bank of India (SBI) Chairman Dinesh Kumar Khara in a freewheeling interview with Abhijit Lele and Anup Roy. The banking system is awaiting a proposal for restructuring, if at all, from Vodafone-Idea and there is no major surprise in terms of asset quality, he says ahead of the annual SBI Banking & Economics Conclave on November 16-17, of which Business Standard is the exclusive