The Foreign Institutional Investors (FIIs) were net sellers to the tune of Rs 32.34 crore in the futures & option segment on Thuesday.According to data released by the NSE, FIIs were net buyers of index futures to the tune of Rs 156.49 crore and bought index options worth Rs 104.79 crore. They were net sellers of stock futures to the tune of Rs 298.72 crore while bought stock options worth Rs 5.09 crore.As per data available on the Sebi website - FIIs were net sellers of stocks worth Rs 1,166.60 crore in the cash market on Monday. Mutual funds were net buyers of shares worth Rs 48.30 crore on the same day.