He also expressed hope that the Congress will "see reason" and help the government pass the Goods and Services Tax (GST) Bill in the Budget Session of Parliament beginning next month.
"Indian economy has to be out on sounder platform. Don't forget India is one of the few economies of the world that survived 2001, 2008 and 2015 (global crises)," he said.
Stating that fundamentals have to be strong enough, the finance minister said, "The Budget has to weigh the areas of weaknesses where investments are required. Therefore, I have to pitch in that direction. If a Budget for the cause of ratings goes in for sheer populism, it's not necessary that the cause of economics or even sounder politics that we are aiming at (is served)."
Taxes which are payable must be collected but "there must not be unfair taxes" as unfair assessments bring "bad name" and no revenue, he said at the ET Global Business Summit here.
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Hoping that the Congress would support GST that aims to create a unified market across India, he said, "It (GST) is the important reform of the UPA. If I have to credit the authorship of it, I have to give credit to them. Now, If the author turns against his own script, what do I make?
"The UPA allies like RJD, NCP and JD-U are openly supporting it," Jaitley said, adding that even the Congress-ruled states are for the uniform tax regime.
"I don't see a reason why they (the Congress) should have a rethink on the Bill. If there is a discussion on a particular idea in the Bill, I am willing to discuss with them. But anything that makes it a flawed legislation... certainly, we can't bound future generations to a flawed legislation," the minister clarified.