The correct answer is: C. 21st June
Yoga Day is celebrated on 21st June every year. It was declared as an International Day of Yoga by the United Nations General Assembly in 2014. The date was chosen because it is the longest day of the year in the Northern Hemisphere and is a day of celebration of nature.
Yoga is a mind and body practice with a 5,000-year history in ancient Indian philosophy. Various styles of yoga combine physical postures, breathing exercises, and meditation or relaxation.
The practice of yoga is said to have many benefits, including improved physical and mental health, increased flexibility, and stress relief.
Yoga Day is a time to celebrate the benefits of yoga and to promote its practice around the world. It is also a time to learn more about yoga and its history and philosophy.
The other options are incorrect because they are not the date of Yoga Day.