" 'You are not a drop in the ocean, you are an entire ocean in a drop.' Wishing you a very happy birthday sir @SrBachchan. May you be blessed with lots of happiness, health and success forever. #HappyBirthdayAmitabhBachchan," Suresh Raina tweeted.
Badminton player Saina Nehwal called Bachchan 'the legend of Indian cinema'.
"Dear sir @SrBachchan I wish u a very happy birthday #HappyBirthdayAmitabhBachchan The Legend Of Indian Cinema," Saina Nehwal tweeted.
India spinner Harbhajan Singh tweeted "Happy birthday @SrBachchan sir..Aap ko bhut bhut shubkamnaye mare and mere parivar ki taraf Se#HappyBirthdayAmitabhBachchan #GreatestOfAllTime #lagend #Respect."
"Wishing the Shehenshah of Bollywood a very happy birthday. May you be always blessed with abundant health and happiness @SrBachchan sir! #HappyBirthdayAmitabhBachchan," badminton player Kidambi Srinath tweeted.