Foreign institutional investors (FIIs) were net sellers of Rs 45.70 crore on Monday, October 09, according to data released by Sebi today.While FIIs made gross purchases of Rs 929.30 crore, gross sales totalled Rs 975 crore.Mutual funds (MFs) were net sellers of Rs 81.66 crore on Monday. MFs made purchases of Rs 420.02 crore and sales of Rs 501.68 crore.