Foreign institutional investors (FIIs) were net buyers of Rs 30.54 crore (provisional) on Wednesday, according to data released by BSE. While FIIs made gross purchases of Rs 3,828.16 crore, gross sales totalled Rs 3,797.62 crore.Domestic institutional investors (DIIs) were net buyers of Rs 142.19 crore on Wednesday. While DIIs made gross purchases of Rs 1,629.04 crore, gross sales totalled Rs 1,486.85 crore.FIIs were net sellers of Rs 687.70 crore on Tuesday, March 18, according to data released by Sebi on Wednesday. While FIIs made gross purchases of Rs 4,701.30 crore, gross sales totalled Rs 5,389.10 crore.Mutual funds (MFs) were net buyers of Rs 65.10 crore on Tuesday. MFs made purchases of Rs 947.50 crore and sales of Rs 882.40 crore.