MUMBAI, April 11 (Xinhua) -- Indian markets opened flat with negative note Wednesday. Benchmark indices erased all opening gains amid mixed Asian cues, as higher crude oil prices and bond yields hit investors sentiment.

The benchmark S&P BSE Sensex opened at 33,859.57, 20.68 point or 0.06 percent down compared to its previous close at 33,880.25. Enditem