On the ocassion, the prime minister met his mother in Gandhinagar and sought her blessings.
Meanwhile, B-twon took to Twitter to wish him. Here is what they had to say:
* Ajay Devgn: Wishing strength and my best wishes to @narendramodi on his b'day to meet the expectations of millions of ppl looking up to him.
* Madhur Bhandarkar: Many happy returns of the day to our PM Shri @narendramodi ji Wish u health & happiness. Under your leadership, a progressive India beckons.
* Anupam Kher: Happy birthday Prime Minister @narendramodi. May god give you long life to serve our country. Love, Happiness & Peace Always (sic).
* Shekhar Kapur: Not sure you will get time to celebrate Sir, but #happybirthdaynarendramodi anyway. Hope you stay healthy and strong. @narendramodi
* Shreyas Talpade: For the first time in my life I've felt like wishing a prime minister of our country a very very happy birthday. HB sir @narendramodi
* Mallika Sherawat: Happy Birthday to our beloved Prime Minister @narendramodi.
* Sangeeth Sivan: Wish u a very happy b day @narendramodi ji... more power and vision to you.
* Tusshar Kapoor: A very happy birthday to honourable PM Shri @narendramodi ji!! A million more to the #gamechanger!
* Randeep Hooda: Mr @narendramodi:A hope to a country taken over by people full of nepotism and hunger for power nt the betterment of a nation #happybirthday.