Foreign institutional investors (FIIs) were net sellers of Rs 865.79 crore (provisional) today, according to data released by BSE. While FIIs made gross purchases of Rs 2,959.05 crore, gross sales totalled Rs 3,824.84 crore.Domestic institutional investors (DIIs) were net buyers of Rs 566.03 crore today. While DIIs made gross purchases of Rs 1,880.72 crore, gross sales totalled Rs 1,314.69 crore.FIIs were net sellers of Rs 114.30 crore on Friday, March 28, according to data released by Sebi today. While FIIs made gross purchases of Rs 3,235.90 crore, gross sales totalled Rs 3,350.10 crore.Mutual funds (MFs) were net buyers of Rs 377.40 crore on Friday. MFs made purchases of Rs 982.30 crore and sales of Rs 604.90 crore.