The BSE Sensex fell on Thursday for a fifth consecutive session to its lowest close in nearly five months as Tata Motors slumped due to fears about China's new fuel norms, while broader sentiment stayed weak because of concerns about political instability.
Tata Motors Ltd shares slumped 4.2 percent on worries China's new fuel norms would impact sales at unit Jaguar Land Rover.
However, recent under-performers gained. ICICI Bank Ltd rose 3.1 percent, while Bharti Airtel Ltd gained 6 percent.
The BSE Sensex provisionally fell 0.61 percent to its lowest close since November 26. The Nifty ended down 0.63 percent.