"The real problem is inflation that is persistent. We have been emphasising again and again in order to break the back of inflation, we got to break this persistence," Rajan said at the 8th Statistics Day Conference here.
He said once inflation is contained, the RBI will be in a much more comfortable position.
In August, consumer price index (CPI) or retail inflation eased to 7.8 per cent from 7.96 per cent in July, while the wholesale price index (WPI) moderated to 3.74 per cent from 5.19 per cent in July.
"We need to improve the quality and quantity and scope of our data, and we are working at it," Rajan said.
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"We need to work on getting a timely and comprehensive employment data base, perhaps on the monthly level," Rajan said.
He said the RBI is working with a National Sample Survey Organisation (NSSO) to create a strong and reliable data base on employment.