Nifty is in positional Buy mode since 22-Nov and Bank Nifty since 21st Nov on the 90 min charts. Currently the supports for nifty coming around 5595 and the intermediate resistance zone coming around 5670. And for the Bank Nifty the support zone coming around 11372 and immediate support coming around 11456.
Both Nifty and Bank Nifty are in sideways mode since the start of October Season. Currently both are in Buy mode with supports coming around 5680 and 11480 respectively.Go for positional shorts if the levels breaks on the 90 min charts.