Sajid Ali, director Imtiaz Ali's brother, has roped in writer-actor Zeishan Quadri to play a negative lead in his directorial debut Banana. "Yes, it's a very special film and I will be playing a negative role. The character is very strong and I was convinced after reading the script. We will start shooting by first week of October," said Zeishan, who penned successful crime thriller Gangs Of Wasseypur. He had also acted in the film. To be produced by John Abraham, "Banana" is a film about adolescence to teenage.