Here's what these celebrities posted on Twitter:
Shah Rukh Khan:Happy Republic Day to all Indians all over the world. Jai Hind.
Alia Bhatt:Happy Republic Day! A day to remember and celebrate our Unity in Diversity. Freedom in mind, pride in our hearts..
Varun Dhawan:Wishing every one a very happy #RepublicDay. We have a lot to be proud. The future is indian.
Priyanka Chopra:Happy Republic Day India! No matter where I am... You will always be my identity. #ProudIndian #ArmyBeti
Lata Mangeshkar: Namaskar. Wish you all a very Happy Republic Day. Jai Hind.
Amitabh Bachchan: Happy Republic Day... Greetings to all. Jai Hind!
Aamir Khan: Wishing everyone a very Happy Republic Day!
Govinda: From one proud Indian to every other proud Indian, Happy Republic Day.
Abhishek Bachchan:आप सभीको गणतंत्र दिवस की हार्दिक शुभकामनाएं। जय हिंद ???????? @ Mumbai, India
Anil Kapoor: Let us remember the golden heritage of our country and feel proud to be a part of India today and every day! Happy Republic Day. Vande Mataram.
Rishi Kapoor: Proud to be an Indian. Jai Hind!
Javed Akhtar: Happy Republic day to all fellow Indians.
Sushant Singh Rajput: The love of one's country is a splendid thing. But why should love stop at the border.
Adnan Sami: Happy Republic Day to everyone with all my love and duas. Jai Hind.
Boman Irani: Happy Republic Day to all my fellow Indians.
Yami Gautam: Wishing all a very Happy Republic Day!
Mallika Sherawat: Wishing everyone a Happy Republic Day.
Anushka Sharma: 68th year of our constitution. A gift from the hard struggle of our past. Value it with unity for our country. Jai Hind!
Nimrat Kaur: Aboard the mighty Viraat not so long ago. One of the best places to sit under, our glorious tricolour.. Happy Republic Day all. Proud Indian.
Vivek Oberoi: Happy Republic Day! Proud to be an Indian...
Huma Qureshi: Happy Republic Day guys.
Esha Gupta: Happy Republic day, Jai Hind.
Rannvijay Singha: Happy Republic Day to all my fellow Indians! Jai Hind. Salute Siachen... Indian army.
Disha Patani: Happy Republic Day, let's stay united and come together to make our country more beautiful... Salute to the Indian army.
Esha Deol: A very happy Republic day to all.
IANS