Call money rates ended lower due to lack of demand from borrowing banks. It finished lower at 6.35 per cent from 6.50 per cent on Wednesday. It moved in a range of seven per cent and 6.25 per cent. RBI under the liquidity adjustment facility purchased securities worth Rs 11,690 crore in six bids at the one-day repo auction at a fixed rate of 7.25 per cent and sold securities worth Rs 5,470 crore in 10 bids at the one-day reverse repo auction at a fixed rate of 6.25 per cent.