As of now nifty is still in buy mode on EOD charts. As per SDA2 trend trading nifty will yield a sell signal on EOD charts if closes below 5692 on EOD basis. i.e EOD supports are currently at the zone of 5692 any close below that could warn the EOD trend to completely turn down on medium term basis.
Just a projected closing of 5692(i.e closing as on 2nd May 2010) or below that will yield a sell signal on nifty(Charts shown below). In Simple terms stop loss for all your positional longs is 5692 on EOD basis. If it breaks position need to be revised or reversed to positional shorts.