Amid mixed global cues, Indian equity markets opened lower on the last trading day of 2023, dragged by index heavyweights Infosys, HDFC Bank, and Reliance Industries. The BSE Sensex was trading 201 points or 0.28% lower at 72,208. Nifty50 was trading at 21,717, down 61 points or 0.28% at around 9.20 am.