Amitabh Bachchan shows-off his 'new acquisition', leaves grandkids Navya Naveli Nanda and Agastya stunned!

On the occassion of 72nd Republic Day, Bollywood megastar Amitabh Bachchan showed off his 'new acquisition' to fans on social media. Big B shared a video on Instagram wishing fans on Republic Day wearing a new kind of mask. In the video, Amitabh is wearing a breathing mask, which when used lights up as one's mouth opens and closes. It also shines LED lights and modulates voice a bit. Soon after fans flooded the comment section with their love for the megastar. Grandchildren Navya Naveli Nanda and Agastya also couldn't stop themselves from dropping comments on the video. While Navya Naveli,wrote, "Love it," Agastya Nanda shared laughing emojis. For the unversed, Navya Naveli Nanda recently made her Instagram account from private to public and enjoys a massive fan following out there. Meanwhile, as per things on work front, Big B has wrapped up the shoot for 'Kaun Banega Crorepati 12.' He will be shooting for 'Mayday,' which is directed by Ajay Devgn and also features Rakul Preet Singh. The 78-year-old actor also has upcoming films like Emraan Hashmi starrer 'Chehre', Nagraj Manjule's 'Jhund', Ayan Mukerji's 'Brahmastra', and a yet untitled film co-starring Prabhas and Deepika Padukone.