The Foreign Institutional Investors (FIIs) were net buyers to the tune of Rs 95.35 crore in the futures & option segment on Tuesday.According to data released by the NSE, FIIs were net sellers of index futures to the tune of Rs 143.34 crore while bought index options worth Rs 189.73 crore. They were net buyers of stock futures to the tune of Rs 14.99 crore and bought stock options worth Rs 33.98 crore.As per data available on the Sebi website - FIIs were net buyers of stocks worth Rs 1,201.80 crore in the cash market on Monday. Mutual funds were net buyers of shares worth Rs 344.70 crore on the same day.