"I today cleared a proposal for both (highways and railways) these sectors to have a large investment by way of tax-free bonds," he said while speaking at a book launch function.
He, however, did not disclose details about the bonds.
The Minister had announced a series of steps in his budget speech to boost investment in infrastructure.
To a question related to land bill, Jaitley said the government has majority in the Lok Sabha as well as in both houses taken together.
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The passage of the bill, he said, was important for creation of rural infrastructure, like irrigation and roads.
He added that the government is committed to a "particular roadmap" and "just because somebody says I will block this reform.... I have said it repeatedly, let this be parliamentary struggle between reform and obstructionism".
Jaitley also stressed that the low phase in economy over the last few years "is over" and the NDA government has taken steps to boost investments in various sectors, like insurance, defence, coal and mines.