The government securities (G-Sec) declined further due to sustained selling pressure by banks and corporates and call rate also finished lower on the Overnight call money market here today owing to lack of demand from borrowing banks amid ample liquidity in banking system. The 8.79 per cent (G-Sec) maturing in 2021 remained weak to Rs 104.00 from last Friday's close of Rs 104.1275,while its yield moved up to 8.18 per cent from 8.16 per cent. The 9.15 per cent (G-Sec) maturing in 2024 dropped to Rs 106.63 from Rs 106.89,while its yield rose to 8.30 per cent from 8.26 per cent. The 7.83 per cent (G-Sec) maturing in 2018 fell to Rs 98.1450 from Rs 98.1750,while its yield inched up to 8.22 per cent from 8.21 per cent. The 8.83 per cent G-sec muturing in 2041,the 8.19 per cent G-sec maturing in 2020,the 8.28 per cent G-sec maturing in 2027 and the 7.59 per cent G-sec maturing in 2016 also closed lower at Rs 102.90,Rs 99.90,Rs 98.22 and Rs 97.82,respectively. The overnight call money rate ended lower at 8.60 per cent from last Friday's closing level of 8.70 per cent. It moved in a range of 8.80 per cent and 8.55 per cent. The Reserve Bank of India (RBI) under the Liquidity Adjustment Facility (LAF) purchased securities worth Rs 98,760 crore from 39 bids at the one-day repo auction at a fixed rate of 8.50 per cent.