Foreign institutional investors (FIIs) were net buyers of Rs 247.98 crore (provisional) on Thursday, according to data released by BSE. While FIIs made gross purchases of Rs 4,806.56 crore, gross sales totalled Rs 4,558.58 crore.Domestic institutional investors (DIIs) were net buyers of Rs 339.84 crore on Thursday. While DIIs made gross purchases of Rs 1,785.81 crore, gross sales totalled Rs 1,445.97 crore.FIIs were net buyers of Rs 557.60 crore on Wednesday, March 26, according to data released by Sebi on Thursday. While FIIs made gross purchases of Rs 3,166.60 crore, gross sales totalled Rs 2,609 crore.Mutual funds (MFs) were net sellers of Rs 431.50 crore on Wednesday. MFs made purchases of Rs 530.50 crore and sales of Rs 962 crore.