The government securities market remained lacklustre on Thursday with the benchmark 10-year, 7.38 per cent 2015 paper yield hovering in the range of 6.62-6.64 per cent.
The yield on the 10-year paper ended at 6.62 per cent against its previous close of 6.63 per cent.
Excess liquidity in the system led to softening of yields.
Call rates closed lower at 4.60 per cent against 4.80 per cent on Wednesday.