At the Interbank Foreign Exchange (Forex) market, the local currency opened sharply lower at 63 a dollar from its previous close of 62.47 and breached 63 level to trade at 63.07.
Forex dealers said besides sustained demand for the US currency from importers and capital outflows, dollar's strength against other overseas currencies on upbeat US jobs data, weighed on the domestic currency.
Meanwhile, the BSE Sensex dropped 183.74 points, or 0.88 per cent, to 20,482.41 in early trade today.