Foreign institutional investors (FIIs) were net buyers of Rs 256.59 crore (provisional) on Tuesday, according to data released by BSE. While FIIs made gross purchases of Rs 2,214.55 crore, gross sales totalled Rs 1,957.96 crore.Domestic institutional investors (DIIs) were net sellers of Rs 444.75 crore (provisional) on Tuesday. While DIIs made gross purchases of Rs 750.40 crore, gross sales totalled Rs 1,195.15 crore.FIIs were net sellers of Rs 62.90 crore on Monday, September 10, according to data released by Sebi on Tuesday. While FIIs made gross purchases of Rs 1,444.30 crore, gross sales totalled Rs 1,507.10 crore.Mutual funds (MFs) were net buyers of Rs 9.20 crore on Monday. MFs made purchases of Rs 536.20 crore and sales of Rs 527.10 crore.