The fall from highs of 64200 levels to 28000 levels has been seen in the past months. after which the retracement from lows was upto 51000 levels 0.618 levels. again entered a bearish range. a strong resistance turned support lies at 42400 levels . a breakdown below that will lead it to 37000 levels. on the upside above 50900 levels the bullish bias can be retained.