Mumbai, Jan 14 (Agencies): The Indian rupee opened six paise lower against the dollar on Friday, as the American currency strengthened against other major currencies.

The domestic unit was trading at Rs 45.30 a dollar, six paise lower from the Thursday's close at the Interbank Foreign Exchange (Forex) market. On Thursday, it had closed 11 paise lower at Rs 45.24/25 a dollar.

Dollar's gains against major currencies overseas and lower opening on the stock market weighed on the rupee sentiment, said the dealers.

Meanwhile, the BSE Sensex fell by 90.53 points at 19,092.29 points in the opening trade.