Foreign institutional investors (FIIs) were net sellers of Rs 563.66 crore (provisional) on Thursday, according to data released by BSE. While FIIs made gross purchases of Rs 4,032.67 crore, gross sales totalled Rs 4,596.33 crore.Domestic institutional investors (DIIs) were net buyers of Rs 352.96 crore (provisional) on Thursday. While DIIs made gross purchases of Rs 2,184.74 crore, gross sales totalled Rs 1,831.78 crore.FIIs were net sellers of Rs 192.10 crore on Wednesday, August 29, according to data released by Sebi on Thursday. While FIIs made gross purchases of Rs 2,677.20 crore, gross sales totalled Rs 2,869.30 crore.Mutual funds (MFs) were net buyers of Rs 59.80 crore on Wednesday. MFs made purchases of Rs 594.70 crore and sales of Rs 534.90 crore.