Nifty may fall,but if opened positive it may rise to new level

Nifty seems little retracement level at certain level it may rise again to new height banknifty as taken support tomorrow if it opens positive I am looking for long else will buy for lesser quantity put or wait to take nifty support and rise up to new level...... Banknifty seems to me other 800-1000 points to tomorrow or within 2 days before expiry