Sensex ends flat as investors wait for US Federal Reserve's policy decision.

The benchmark BSE Sensex ended flat at 32,400.51 points after a range-bound trade as investors awaited the US Federal Reserve's policy decision for further direction.

After opening higher at 32,467.10 points, the Sensex slipped into the negative zone to touch a low of 32,383.82 in day trade.

The 30-share index finally settled down 1.86 points, or 0.01%, at 32,400.51. The gauge had lost 21.39 points in yesterday's cautious trade.

The Nifty after shuttling between 10,171.05 and 10,134.20, ended the day lower by 6.40 points or 0.06 % at 10,141.15.

Among major gainers, ITC, Reliance Industries, Dr Reddy's and HDFC rose up to 3 %. HeromotoCorp fell the most by 2.29 % among Sensex scrips.

Tata Motors Hindustan Unilever, ICICI and Sun Pharma fell up to 2 %. 

Bharti Airtel recovered from early losses to end 0.39 % higher even as regulator Trai announced slashing of mobile call connection charge by more than half to 6 paise a minute and said no rate will apply from January 1, 2020, a move that may benefit newcomer Reliance Jio.