The stars took to Twitter to wish their fans on the occasion.
Bachchan tweeted, "Happy Republic Day.. 2016 !! January 26."
"Namaskar. Wish you all a very Happy Republic Day," wrote melody queen Mangeshkar along with the link of Vande Mataram sung by her.
Actress Priyanka Chopra, who is one of the Padma Shri honourees expressed her gratitude towards the country and wished women police force on the occasion.
More From This Section
The 33-year-old will be seen playing a woman cop in her upcoming film "Jai Gangaajal".
Padma Bhushan winner of 2016, Kher tweeted, "On this auspicious occasion of Republic Day I wish all the Indians. Jai Hind."
Actor Akshay Kumar, whose Republic Day release, "Airlift" is garnering great reviews wrote, "Just holding this flag swells up ur chest in pride. She did what no other country did for its people #HappyRepublicDay".
Actress Juhi Chawla urged her fans to be a "good citizen" of the country.
"A very happy Republic Day to all," tweeted "NH10" star Anushka Sharma.
Arjun Rampal, who is currently busy shooting for "Rock On 2" pledged to make India the best.
"Happy Republic day everyone. Let's work to make INDIA the greatest. Do your best. Jai Hind".
"Happy Republic day, Jai Hind. Vande Mataram," wrote filmmaker Madhur Bhandarkar.
Young stars Alia and Varun also wished their fans on the occasion.
"Happy Republic Day!!" they tweeted.
Sonam Kapoor, who will next be seen playing Ashok Chakra awardee Neerja Bhanot in the biopic, remembered the unsung heroes.
"While we look up to salute the Indian flag, here's to remembering our unsung heroes! #RepublicDay #Neerja," she wrote.
"Happy Republic Day," tweeted Abhishek.
"Wazir" actor Farhan Akhtar wrote, "Happy Republic Day".
Filmmakers Karan Johar and Meghna Gulzar also wished their fans on the micro-blogging site.
"Happy republic day India !!!," actor Arjun Kapoor tweeted.
Recalling his childhood, actor Boman Irani tweeted about the days when he used to march as a sea cadet.
Filmmaker Nikkhil Advani said he is proud to be an Indian.
"#HappyRepublicDay to everyone. #ProudToBeIndian."
"Happy RepublicDay everyone. Jai Hind!," wrote Madhuri Dixit-Nene.