PM Modi wishes Amitabh Bachchan as he turns 74; Fans flood Twitter with birthday greetings for the megastar!

As Bollywood megastar Amitabh Bachchan is celebrating his 74th birthday today, the nation collectively sent him well wishes through the social media. Fans and celebrity alike took to Twitter and other social media platforms to relive the 73-year-old superstar's best moments in the film industry as well as the good things to come following this special day.

T 2405 - To them that bring all the love and wishes for the birthday .. folded hands in gratitude .. !! pic.twitter.com/q7HE9PgVLf

— Amitabh Bachchan (@SrBachchan) October 10, 2016

Prime Minister Narendra Modi also greeted Bollywood's megastar Amitabh Bachchan on his 74th birthday. "Dear SrBachchan (Amitabh Bachchan), wishing you a very happy birthday. Your versatility and humility has many admirers. Praying for your long and healthy life," Modi tweeted.

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

One well wisher tweeted "#HappyBirthdayAmitabhBachchan. Let's start the day with a love song of @SrBachchan" along with the popular romantic song from the movie from 1981, 'Silsila' titled 'Dekha Ek Khwab To Yeh Silsile Hue.' Check out: Riteish Deshmukh’s ‘fanboy’ moment with Amitabh Bachchan & Shatrughan Sinha on ‘Yaaron Ki Baraat’ set "Bollywood is famous today because of this two @iamsrk @SrBachchan. #HappyBirthdayAmitabhBachchan," another tweeted with a picture of Bachchan alongside Shah Rukh Khan. Here are some other tweets from the fans of the 'Zanjeer' star:

#जन्मदिन_मुबारक_शहंशाह Was about to sleep but this can't be at no.2! Bcoz Jahan @SrBachchan khade rehte hain... You know the rest! Love you — HBD The one and only (@ArthVaishnav) October 10, 2016

#May This Be Your Best Year Yet" Happy Birthday and #HappyDussehra @SrBachchan #जन्मदिन_मुबारक_शहंशाह #AmitabhBachchan "Happy Vijayadashami" pic.twitter.com/tufYj6G1zA — Namaste Credit (@NamasteCredit) October 11, 2016

T 1465 - EFSENA gather outside @SrBachchan 's residence to wish him on his 74th birthday. #जन्मदिन_मुबारक_शहंशाह @EFSENAROCKS pic.twitter.com/2DutIQqAeW — Amitabh Bachchan FC (@Thekkapoor) October 11, 2016

Happy Birthday To The One And Only Superstar Of This World @SrBachchan God Bless You And Lots Of Love !! #जन्मदिन_मुबारक_शहंशाह pic.twitter.com/oI7x8qZXmC — Ketan Nardhani (@ketan83) October 11, 2016

@SrBachchan #HappyBirthdayAmitabhBachchan Shahenshah of Hindi Cinema and our hearts Millennium Superstar 🎂🎂🎂 love U pic.twitter.com/2DCe8pMWsJ — Amit Nadkar (@NadkarAmit) October 10, 2016

Not long after the clock marked the actor's birthday, #HappyBirthdayAmitabhBachchan began trending on Twitter in India. The early 1970s witnessed Bachchan's stardom for his hit movies like 'Deewar' and 'Sholay' among many others. He was dubbed India's first 'angry young man' for his on-screen roles. Amitabh Bachchan celebrates 43rd wedding anniversary with Jaya; Says, ”It Rained when I got married” Referred to as the'Shahenshah of Bollywood' and 'Star of the Millennium', Big B has since appeared in over 180 Indian films in a career spanning more than four decades. ANI