The Indian stocks opened flat on Thursday with the Bombay Stocks Exchange benchmark index Sensex opening at 20,896.13 points, compared with the last close of 20894. 94 points. The trade remained mediocre one hour after the opening with Sensex staying at around 20,900 points. The Zndian stocks market have calmed from last week's record highs as analysts have warned against unnatural bullishness due to a sudden inflow of foreign currencies.