The 75-year-old actor took to Twitter to praise the effort by director Sidharth P Malhotra and also shared the link of the recently released first trailer of the film.
"A link to the creative agenda of this generation, of doing different, working different, achieving different. From a generation that thinks different! My wishes as ever @sidpmalhotra," Bachchan wrote.
The Yash Raj Films project marks Rani's first after giving birth to daughter Adira.
According to the makers, the movie is a positive and inspiring story about a woman who turns her biggest weakness into her strength.