The rupee depreciated by 3 paise to close at a record low of 79.62 (provisional) against the US currency on a firmer dollar in overseas markets and losses in domestic stock markets.
Crude oil prices trading near USD 100 per barrel, however, supported the local unit, forex dealers said.
The local unit opened stronger at 79.55 against the greenback but could not hold on to gains and slipped into negative territory in the interbank forex market. It witnessed an intra-day high of 79.53 and low of 79.68.
It finally settled at 79.62 (provisional), down a paise from its previous close of 79.59.