Mumbai : Indian rupee opened 5 paise lower at 79.92 per dollar on Friday against previous close of 79.87. Meanwhile, Indian indices opened higher on July 15 with Nifty above 16000. The Sensex was up 280.27 points or 0.52% at 53696.42, and the Nifty was up 84.30 points or 0.53% at 16023. About 1309 shares have advanced, 428 shares declined, and 93 shares are unchanged.