Foreign institutional investors (FIIs) were net buyers of Rs 304.66 crore (provisional) on Tuesday, according to data released by BSE.While FIIs made gross purchases of Rs 2,450.75 crore, gross sales totalled Rs 2,146.09 crore.FIIs were net buyers of Rs 788.30 crore on Monday, April 16, according to data released by Sebi on Tuesday. While FIIs made gross purchases of Rs 2,674.80 crore, gross sales totalled Rs 1,886.50 crore.Mutual funds (MFs) were net buyers of Rs 204.90 crore on Monday. MFs made purchases of Rs 703.70 crore and sales of Rs 498.80 crore.