Foreign institutional investors (FIIs) were net buyers of Rs 1,072.07 crore (provisional) on Friday, according to data released by BSE. While FIIs made gross purchases of Rs 7,242.97 crore, gross sales totalled Rs 6,170.90 crore.Domestic institutional investors (DIIs) were net buyers of Rs 688.34 crore on Friday. While DIIs made gross purchases of Rs 1,948.94 crore, gross sales totalled Rs 1,260.60 crore.FIIs were net sellers of Rs 977.60 crore on Thursday, November 29, according to data released by Sebi on Friday. While FIIs made gross purchases of Rs 5,311.40 crore, gross sales totalled Rs 6,289 crore.