The convertibility is RBI Governor's 'next big ambitious goal'.
Concern would kick in if imports stay at or over 100 tonnes a month.
The revision was announced before Indian markets opened on Thursday.
Lenders fret over stubbornly weak credit growth and still high funding costs.
Market regulator Sebi to support stert-ups raise funds.
India builds up record FX after Fed hints rate hike in future.
Reserve Bank of India (RBI) Governor Raghuram Rajan's decision to cut rates last week surprised even top officials.
India is Asia's third-best performing equity market.
Only three of India's 45 commercial banks have cut base lending rates since the Reserve Bank of India's surprise easing this month, hurting the government's drive to lift business investment.
Infrastructure bonds were launched by the RBI last year in a bid to help the government fulfill its plan to provide affordable housing to all by 2022
In cutting interest rates and giving a boost to the government's efforts to revive growth, RBI governor Raghuram Rajan displayed the pragmatism and flexibility familiar to those who work with him.
Indian bond yields may not spike if the government opts to increase spending when it unveils its annual budget in late February.
India's bond markets have rallied since last year on expectations the Reserve Bank of India will start cutting interest rates as early as February due to sharply easing inflation.
Dealers also expect RBI to try to prevent excessive strength in the rupee in a bid to help exporters remain competitive
India only has 3.5 million workers undergoing skills courses a year, compared with 90 million in China
The central bank will come out with two measures on restructuring to tackle financial stress, Rajan said.
The Reserve Bank of India kept interest rates unchanged at 8.0 percent on Tuesday as widely expected, staying focused on containing inflation while adopting a more dovish tone in response to the government's call for help to revive economic growth.
Indian companies are keenly waiting for reforms on rules related to land acquisition, labour, coal and power sector, and foreign direct investment in insurance sector.
The policymaker said the RBI had not reached the point where specific actions were under consideration.