Prime Minister Narendra Modi led a gathering of around 50,000 people at Dehradun's Forest Research Institute to celebrate the fourth International Yoga Day. The UN declared June 21 as the International Yoga Day in 2014. Yoga Day has become the biggest mass movement towards a healthy lifestyle. Thousands around the country practiced yoga and meditation to mark the day. To perform Yoga with the Prime Minister thousands of Dehradun locals volunteered. According to Prime Minister Yoga is beautiful because it is ancient yet modern, it is constant yet evolving. It has the best of our past and presents. It acted as a force in unifying the world He performed various asanas as part of the celebrations. Just like PM Modi spearheaded a campaign in the Uttarakhand capital, many influential personalities led crowds in different parts of the country. Rajasthan Chief Minister Vasundhara Raje teamed up with Baba Ramdev for a Yoga camp in Kota. Union Minister Jagat Prakash Nadda performed Yoga at Shimla's Ridge Road along with hundreds of people. Manipur Chief Minister Nongthombam Biren performed Yoga at Khuman Lampak Indoor Stadium, Imphal, and shared a video on Twitter. Minority Affairs Minister Mukhtar Abbas Naqvi joined Jharkhand Chief Minister Raghubar Das for a Yoga event in the state. Railways Minister Piyush Goyal performed Yoga in Noida. He was joined by BJP MLA Pankaj Singh.