Mumbai, September 11: Key Indian equity indices- BSE Sensex and NSE Nifty opened in green on Monday after a volatile trading last week amid deepening worries over North Korea. Sensex zoomed 174 points or 0.55% at 31,862.05 while the broader Nifty was up by over 48 points or 0.48% at 9,982.20. The major gainers in BSE Sensex on Monday during early morning trade were LT, Dr Reddy, Adani Ports and Sun Pharma amongst the others. Similarly, the losers during early morning trade were TCS, ITC, Kotak Bank and Power Grid.