Singer Baba Sehgal also joined the #RapForAb (which soon started trending on Twitter) group:
The rap is a spin off from Mr Bachchan's Yo Se, Yo Se rap for a recent advertisement.
Meanwhile, others decided to stick to the usual birthday tweets. Prime Minister Narendra Modi also greeted Mr Bachchan:
Dear @SrBachchan, wishing you a very happy birthday. Your versatility & humility has many admirers. Praying for your long & healthy life.? Narendra Modi (@narendramodi) October 11, 2016
Rishi Kapoor, his co-star of Amar Akbar Anthony tweeted:
Happy Birthday Legend! Happy Dusshera! pic.twitter.com/sBbGADCRxw? Rishi Kapoor (@chintskap) October 11, 2016
His Shamitabh co-star Dhanush and his wife Aishwaryaa tweeted:
@SrBachchan many many happy returns of the day sir :)? Dhanush (@dhanushkraja) October 11, 2016
Here's wishing you a hail, healthy n a very happy birthday @SrBachchan uncle? Aishwaryaa.R.Dhanush (@ash_r_dhanush) October 11, 2016
He will Out-cool, Outrun and Outlast us ALL!!!!! Happy happy birthday to the Institution that is @SrBachchan.. Thank you for being YOU— Alia Bhatt (@aliaa08) October 11, 2016
Mr Bachchan has starred in superhit films like Deewar, Zanjeer, Sholay, Don, Black, Sarkar, Agneepath, Paa and Piku in his illustrious career.
His latest film Pink was also critically acclaimed.
Mr Bachchan received the Padma Vibhushan, the country's highest civilian honour in 2015, and Knight of the Legion of Honour by France in 2007 for his exceptional career in the world of cinema.