He said India is capable of growing at a faster pace, while adding that the "true numbers" of GDP could be one per cent up or down.
The latest official data puts the country's GDP growth at 7.6 per cent -- highest among the world's major economies -- while policymakers and some international organisations like IMF have described India as a 'bright spot' in an otherwise gloomier global economy.
"We have some way to go. I am not saying that economy is where it should be. We do have work to do. We can celebrate when we see private investment strongly back on track and I think we are capable of much stronger growth that we have right now," Rajan said in separate interviews to TV channels.
He recently courted a controversy after he used "one-eyed is king in the land of blind" phrase to describe India being termed as a 'bright spot' in the world economy.
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"And really, what matters to us is change. And the change has been broadly in the positive direction...I think we are starting to change in the right direction," Rajan said.
He said there may be difference of 1 per cent on either side in the GDP numbers.
"I will say there may be some ups and downs about the GDP ... Probably 1 per cent where the true numbers is," he said.
Anant said government is making efforts to minimise the discrepancies in computation of the national income or GDP data by relying more on data available under e-governance programmes and corporate accounts.
Rajan further said that some people will quibble that the high GDP numbers do not reflect the ground realty.
"I think we will have to be little careful there. The top line has only started growing recently, that is sales. But costs have come down tremendously and GDP or GVA calculates difference between your sales revenue and costs, that is the value addition.
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On further cut in interest rates, Rajan said, the Reserve Bank will ease them further if inflation provides additional space.
"Whatever room was available as of now, we have used. When more room would be available we would cut rate further...If we get confident of achieving 5 per cent inflation target by March 2017 then we will get more space to cut," he said.
"From our point of view this is the best rate...Had we done more rate cut, inflation would have gone up," he said.
Accordingly, Rajan retained the short-term lending rate at 6.5 and the cash reserve requirement of banks at 4 per cent.