Because, people do believe that Yogo is something much more greater than any other stuff. You go is a kind of thing which improvise self belief, and concentration. If you bare person who wanna get suicide, you need yoga.
To celebrate this historic occasion, I traveled to Rishikesh, India, in early March to the International Yoga Festival to interview swamis and yoginis on the banks of the Ganges River. Rishikesh is considered the birthplace of yoga, located in the Himalayas. It is where the Beatles went to study with Maharishi Mahesh Yogi.

There were over 1,000 people from 60 countries participating in the International Yoga Festival.
Coz now people know that how yoga is useful for us