The RBI expects inflation in 2015 to hover around 6 per cent -- its target for January 2016 -- and sees risks to the target evenly balanced.
Rupee ends at 61.89 against the dollar, falls for second straight day.
The rupee had rebounded 15 paise to close at two-week high of 61.77 against the dollar at the Interbank Foreign Exchange on Friday.
The policymaker said the RBI had not reached the point where specific actions were under consideration.
Sebi also approved new delisting rules.
The rupee had edged higher by four paise to end at 61.51 against the American currency in yesterday's trade on fresh selling of dollars by banks and exporters.
The dollar's weakness against other currencies overseas and a higher opening in the domestic equity market supported the rupee, forex dealers said.
The rupee had hit an intra-day low of 61.6750 on Friday, its lowest level since Oct. 17.
Traders are looking ahead at the consumer prices data due on Wednesday, amid rising expectation the Reserve Bank of India could opt for earlier-than-expected cuts in interest rates should inflation continue to ease.
The partially convertible rupee closed at 61.31/32 per dollar, unchanged from its Tuesday close.
The RBI's warnings signal its concern that unhedged firms could be a vulnerable link should global markets buckle.
In the offshore non-deliverable forwards, the one-month contract was at 61.58, while the three-month contract was at 62.18.
Forex dealers attributed the rupee's fall to increased demand for the US currency from importers and a lower opening in the domestic equity market.
Forex dealers said besides increased selling of the American currency by exporters and banks, the dollar's weakness against other currencies overseas also supported the rupee, but a lower opening in the domestic equity market limited the rise.
Standard and Poor's raised the outlook for India's "BBB-minus" rating back to "stable" from 'negative,' saying Prime Minister Narendra Modi government's 'strong' mandate would allow it to implement fiscal and economic reforms.
The rupee had gained 2 paise to end at 60.93 against the greenback in Thursday's trade.
The rupee appreciated by 10 paise to close at a nearly six-week high of 60.29 against the US dollar in the previous session tracking a solid rally in local shares and continued dollar selling by exporters and some banks.
Forex dealers said besides increased selling of the American currency by exporters and banks, a higher opening in the domestic equity market and the dollar's weakness against other currencies overseas supported the rupee.
Forex dealers said besides the dollar's gains against other currencies overseas, increased demand from importers for the American unit put pressure on the rupee but a higher opening in the domestic equity market capped losses.
Forex dealers said increased selling of the American currency by exporters and banks supported the rupee but a lower opening of the domestic equity market and dollar's rise against other currencies overseas restricted the gains.