At the interbank foreign exchange, the domestic unit opened weak at 82.00 against the dollar, then fell to 82.01, registering a decline of 6 paise over its last close.
According to FPI statistics available with depositories, overseas investors pumped in a net of Rs 19,473 crore into equities but pulled out Rs 4,824 crore from the debt segment between January 1 and January 29.