Foreign institutional investors (FIIs) were net buyers of Rs 794.78 crore (provisional) on Thursday, according to data released by BSE.While FIIs made gross purchases of Rs 5,961.99 crore, gross sales totalled Rs 5,167.21 crore.Domestic institutional investors (DIIs) were net sellers of Rs 420.11 crore on Thursday. While DIIs made gross purchases of Rs 1,383.12 crore, gross sales totalled Rs 1,803.23 crore.FIIs were net buyers of Rs 1,747.90 crore on Wednesday, October 10, according to data released by Sebi on Thursday. While FIIs made gross purchases of Rs 6,043.10 crore, gross sales totalled Rs 4,295.30 crore.Mutual funds (MFs) were net sellers of Rs 354.90 crore on Wednesday. MFs made purchases of Rs 1,052.30 crore and sales of Rs 1,407.10 crore.