Reuters Market Eye - Overseas investors bought Indian cash shares worth of 21.92 billion rupees on Thursday, provisional exchange data shows.
Foreign institutional investors bought an equal amount of 21.63 billion rupees in India's equity futures and options market on Thursday despite it being an expiry of March derivative contracts, NSE data shows.
Heavy buying by foreign investors especially in derivatives seem unusual to historical trends, dealers add.
Index options indicate a range of 6,700 to 6,500 for Nifty for April derivative series, Thomson Reuters calculations of NSE data show.
(Reporting by Abhishek Vishnoi)