In the week to January 16, the forex kitty had jumped by USD 2.66 billion to reach USD 322.135 billion, according to RBI data.
For the first time, the forex kitty had crossed USD 320 billion mark (USD 320.79 billion) for the week ended September 2, 2011.
After the Narendra Modi government came to power in May 2014, foreign funds pumped dollars into Indian equities on the hopes of big-bang economic reforms.
"We grow more confident of our call that RBI Governor Raghuram Rajan will continue to buy forex reserves to guard against contagion," Bank of America Merrill Lynch (BofAML) said in a report today.
The RBI Governor in a post-policy meeting with reporters earlier this week had said the country's foreign reserve position has improved substantially to sustain any spillover effect arising out of the policies from advanced economies.
He said although India cannot be immune from volatility, but it is much better than many of its comparative countries.
BoFA-ML said if crude oil price persists at USD 50 per barrel levels, the RBI should be able to take import cover to 10 months by March 2016, above the critical 8-month import cover needed for the rupee stability.
