Prices remained flat following lack of trading due to liquidity concerns. The yield on the ten-year paper and five-year paper closed at 7.63 per cent and 7.54 per cent, respectively. Call rates closed at 11-12 per cent after hitting an intraday high of 13.25 per cent. The Reserve Bank of India (RBI) infused liquidity to the tune of Rs 28,000 crore under repo. The market is wary of trading because of fear of booking marked-to-market losses during the quarter-end.