The foreign institutional investors (FIIs) were net sellers to the tune of Rs 411.84 crore in the futures & option segment on Monday.According to data released on the NSE website, FIIs were net sellers of index futures to the tune of Rs 112.84 crore and they sold index options worth Rs 85.52 crore. They were net sellers of stock futures to the tune of Rs 212.30 crore and they sold stock options worth Rs 1.18 crore.As per data available on the Sebi website - FIIs were net sellers of stocks worth Rs 252.70 crore in the spot market on Friday. Domestic mutual funds (MFs) were net buyers of shares worth Rs 222.79 crore on the same day.