Foreign institutional investors (FIIs) were net sellers of Rs 546.09 crore (provisional) on Tuesday, according to data released by BSE. While FIIs made gross purchases of Rs 2,874.72 crore, gross sales totalled Rs 3,420.81 crore.Domestic institutional investors (DIIs) were net buyers of Rs 98.82 crore on Tuesday. While DIIs made gross purchases of Rs 762.03 crore, gross sales totalled Rs 663.21 crore.FIIs were net sellers of Rs 1,513.40 crore on Monday, January 28, according to data released by Sebi on Tuesday. While FIIs made gross purchases of Rs 2,600.30 crore, gross sales totalled Rs 4,113.60 crore.Mutual funds (MFs) were net buyers of Rs 368.60 crore on Monday. MFs made purchases of Rs 798.50 crore and sales of Rs 429.90 crore.