RailTel (NSE: RAILTEL), Sula Vineyards (NSE: SULA), Godrej Properties (NSE: GODREJPROP), Zee Entertainment (NSE: ZEEL) and UltraTech (NSE: ULTRACEMCO) are among the stocks that may remain in focus to buy or sell on Thursday, August 21. Scroll down to check the complete list of stocks that may remain in focus to buy or sell on August 21.