Foreign institutional investors (FIIs) were net sellers of Rs 1,475 crore (provisional) on Friday, according to data released by BSE.While FIIs made gross purchases of Rs 3,550.83 crore, gross sales totalled Rs 5,025.83 crore.FIIs were net buyers of Rs 248.20 crore on Thursday, July 26, according to data released by Sebi on Friday. While FIIs made gross purchases of Rs 4,519.30 crore, gross sales totalled Rs 4,271.10 crore.Mutual funds (MFs) were net buyers of Rs 15 crore on Thursday. MFs made purchases of Rs 1,009.40 crore and sales of Rs 994.40 crore.