Foreign institutional investors (FIIs) were net sellers of Rs 335.30 crore on Tuesday, November 28, according to data released by Sebi today.While FIIs made gross purchases of Rs 1,894.80 crore, gross sales totalled Rs 2,230.10 crore.Mutual funds (MFs) were net sellers of Rs 268.87 crore on Tuesday. MFs made purchases of Rs 404.04 crore and sales of Rs 672.91 crore.