Although consumer price index (CPI), which the central bank is monitoring closely, has shown a declining trend in the past few months, the levels are still out of its comfort zone.

RBI has set a glide path for CPI inflation at 8 percent by January 15 and 6 percent by January 2016.

Retail inflation or CPI eased to 7.8 percent in August from 8.59 percent in April.

Wholesale price index (WPI) inflation has also eased, although more sharply, to 3.74 percent in August from 5.55 percent at the start of the current fiscal.

Banking experts however still believe that it may not be time for rate cut yet.

State Bank of India chairperson Arundhati Bhattacharya said, "RBI is likely keep interest rate unchanged."

Echoing the similar view, Bank of Baroda Executive Director Rajan Dhawan said, "I think RBI would not change interest rate in the policy review because of inflation overhang."

Credit rating agency Care Rating said RBI has less room to cut policy rates on September 30 as there remains an upward threats to inflation going ahead.

"Given the economic parameters of improving growth of 5.7 percent (Q1 FY15) GDP and elevated retail inflation on the back of potential threats to inflation going ahead, we do not foresee any room for a rate cut in the upcoming policy announcement," Care said in a report.

In a hint to the market that the cut in interest rates is still far away, RBI Governor Raghuram Rajan had recently said there was a need to 'break the back' of inflation which remains high.

"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 had said at an event.

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