Indian markets closed higher on Monday with Sensex up by 600 points to around 74,895 and the Nifty gained 83 points to close at 23,429 at the pre-CAS close. Pharmaceutical companies gained around 1.27% and were trading higher while infrastructure and PSU banks ended trading lower. Bharti Airtel was one of the top laggards on Nifty as it fell 3.33%.