Foreign Exchange US $1 Rs. 48.72 HK $1 Rs. 6.15* UK £1 Rs. 69.29 SW Fr 1 Rs. 28.45* Euro Rs. 42.64 Sing $1 Rs. 26.25* Yen 100 Rs. 36.28 Aus $1 Rs. 24.60* *SBI TC buying rates; others are forex market closing rates Bullion Calcutta Bombay Gold Std (10gm) Rs. 5025 Gold Std (10 gm)Rs. 4945 Gold 22 carat Rs. 4745 Gold 22 carat NA Silver bar (Kg) Rs. 7650 Silver (Kg) Rs. 7635 Silver portion Rs. 7750 Silver portion NA Stock Indices Sensex 3515.45 +21.53 BSE-100 1707.20 +15.88 S&P CNX Nifty 1131.55 + 7.80 Calcutta 121.10 + 2.71 Skindia GDR 544.19 + 0.05