Listing out the challenges before the country, he said fiscal deficit is high, inflation is beyond acceptable limits and the fallout of Iraq crisis looms large on the economy.
"If you indulge in mindless populism you burden the exchequer...You convert yourself into a high taxation society. It does not work. Therefore if you have to follow a path of fiscal prudence, (you should) have a certain amount of discipline," Jaitley said.
Inflation rose to five-month high of 6.01 per cent in May and there is likelihood of prices moving up further in view of predictions of below normal monsoon.
Referring to investment scenario, Jaitley said that after three-four years of pessimism there is hope and now "bold decision-making" is possible.
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He further said: "You have a loss of credibility in the Indian economy. The fact that the world suspects we don't have a stable tax regime itself has dissuaded investors.
Observing that India fell off the global agenda, he said, now an interest in the country has suddenly emerged. "The responsibility now lies on us to respond to this new opportunity that has come before us," he added.