Foreign Exchange US $1 Rs. 42.74 HK $1 Rs. 5.45* UK ?1 Rs. 68.41 SW Fr 1 Rs. 27.95* Euro .Rs. 45.39 Sing $1 Rs. 24.45* Yen 100 Rs. 34.85 Aus $1 Rs. 27.75* *SBI TC buying rates; others are forex market closing rates Bullion Calcutta Bombay Gold Std (10gm) Rs. 4305 Gold Std (10 gm) Rs. 4255 Gold 22 carat Rs. 4065 Gold 22 carat Rs. 4250 Silver bar (Kg) Rs. 7825 Silver (Kg) Rs. 7860 Silver portion Rs. 7925 Silver portion Rs. 7865 Stock Indices Sensex 4060.08 +31.10 BSE-100 1756.89 +17.97 S&P CNX Nifty 1160.20 +8.60 Calcutta 117.89 +0.88 Skindia GDR 747.74 -2.28