Sensex flat in cautious trade ahead of derivative expiry

Reuters Market Eye - The BSE Sensex and Nifty are flat as investors are cautious ahead of derivative contract expiry on Thursday and economic data on Friday

Blue-chip stocks lead gains - Bharat Heavy Electricals Ltd adds 0.8 percent, Infosys Ltd gains 0.7 percent.

Asian stocks hit one-month high as investors bet on more central bank stimulus in China.

(Reporting by Indulal PM)