Fans spot Aishwarya Rai Bachchan, Aaradhya and Navya Nanda as Amitabh Bachchan greets fans on his birthday, Abhishek Bachchan reacts – WATCH video

Amitabh Bachchan greets his fans on his birthday, meanwhile, fans spot Aishwarya Rai Bachchan and Navya Nanda video-calling and taking videos of him…