Fans have gathered outside his Juhu bungalow since mid-night to catch a glimpse of the Bollywood megastar. Amitabh Bachchan turned 81 on Wednesday

After wishing the actor on Wednesday midnight, fans lined up again in large numbers outside his house with a long banner with his name written on it

Security measures increases outside Amitabh Bachchan's residence due to anticipated larger crowds gathering to extend their wishes to the Bollywood star

Big B began his birthday celebrations by greeting fans outside his Mumbai house, as the clock struck 12am on October 11

Some fans were observed sporting outfits resembling different characters from his movies and t-shirts featuring his photograph

Amitabh Bachchan was seen waving at them as well, while they chanted his name and cheering on the megastar

Women fans donned 'coolie' attire as they stood outside his residence

Fans gathered outside his Mumbai residence to mark the occasion, eagerly hoping to get a glimpse of the Bollywood megastar

The legendary star came outside for a few minutes to greet his fans

Fans gathered outside Big B's house with posters