'Hrithik's sons helping Rakesh write Krrish 4'
According to reports, Hrithik Roshan's sons Hridhaan and Hrehaan, aged eight and ten respectively, are helping their grandfather Rakesh Roshan write the script of 'Krrish 4', the third film in the 'Krrish' film franchise. Rakesh is reportedly including his grandsons' inputs in the script. Vivek Oberoi may return as supervillain 'Kaal' in 'Krrish 4', reports added.