Foreign institutional investors (FIIs) were net buyers of Rs 307.75 crore (provisional) on Monday, according to data released by BSE.While FIIs made gross purchases of Rs 2,323.96 crore, gross sales totalled Rs 2,016.21 crore.FIIs were net buyers of Rs 475.70 crore on Friday, April 13, according to data released by Sebi on Monday. While FIIs made gross purchases of Rs 2,863.60 crore, gross sales totalled Rs 2,388 crore.Mutual funds (MFs) were net buyers of Rs 199.80 crore on Friday. MFs made purchases of Rs 630.70 crore and sales of Rs 431 crore.