Foreign institutional investors (FIIs) were net buyers of Rs 349.65 crore (provisional) on Tuesday, according to data released by BSE.While FIIs made gross purchases of Rs 2,232.95 crore, gross sales totalled Rs 1,883.30 crore.FIIs were net buyers of Rs 569.40 crore on Monday, April 09, according to data released by Sebi on Tuesday. While FIIs made gross purchases of Rs 1,574.50 crore, gross sales totalled Rs 1005.10 crore.Mutual funds (MFs) were net buyers of Rs 46.32 crore on Monday. MFs made purchases of Rs 437.21 crore and sales of Rs 390.89 crore.