Foreign institutional investors (FIIs) were net sellers of Rs 612.70 crore (provisional) today, according to data released by BSE.While FIIs made gross purchases of Rs 2,501.33 crore, gross sales totalled Rs 3,114.03 crore.FIIs were net sellers of Rs 438.70 crore on Thursday, March 1, according to data released by Sebi today. While FIIs made gross purchases of Rs 2,798.30 crore, gross sales totalled Rs 3237 crore.Mutual funds (MFs) were net sellers of Rs 29.12 crore on Thursday. MFs made purchases of Rs 767.80 crore and sales of Rs 796.92 crore.