Rangarajan said he thinks this is the end of the season when prices rise as far as food articles are concerned.
There will be a seasonal decline in food prices by next month, he said.
"Therefore, I believe now that the monsoon has also been good, the food prices may come down rather than rise further," the former central bank chief told PTI.
He was speaking on the sidelines of a lecture by Rathin Roy, director of the National Institute of Public Finance and Policy, organised by the ICFAI Foundation for Higher Education here.
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Wholesale inflation rose to a seven-month high in October as prices of food articles, led by onion and vegetables, witnessed a sharp rise.
Rangarajan, however, refused to answer whether the RBI would consider the inflation rate while undertaking the policy review next month.
Earlier, in his address, he said the governments role as a producer of marketable goods is diminishing.
The government's role as a regulator is very important, given the prevailing market conditions to ensure the system and structure remain competitive, he said.
Rangarajan emphasised the need for prudence in fiscal spending and pointed out that most of the government funds, in the name of public expenditure, were spent towards the revenue expenditure instead of capital expenditure.
This, according to him, was not a wise move, as it led to larger fiscal deficit with proportionally lesser public good.