The yield on 10-year benchmark federal paper, 07.18 GS 2033 fell 4 basis points to 7.19% compared with 7.23% at close in the previous trading session.The total trading volume on the central banks gilts trading platform stood at Rs 24975 crore.The weighted average rate in the overnight call money market rose to 6.30% compared with 5.50% in the previous session. The call money volume stood at Rs 12177.37 crore.