The rupee on Monday extended its fall for the second straight session and saw a big 26 paise plunge in value at an over one-month low of 65.42 a dollar amid sustained demand for the US currency.

Re-emergence of Fed rate hike worries along side aggressive hedging strategy adopted by importers in the wake of implied currency volatility and ahead of CPI and WPI inflation data releases predominantly kept the forex market undertone shaky.