Sensex, Nifty remain sluggish; Dr Reddy’s, Tata Motors up

Sensex, Nifty remain sluggish; Dr Reddy's, Tata Motors up Dr Reddy’s Labs, Tata Motors, Lupin, Tata Steel and Vedanta are top gainers while BHEL, Axis Bank, Bahrti Airtel, GAIL and Sun Pharma.