Rishikesh, Mar 02 (ANI): Hundreds of yoga enthusiasts from more than 70 countries converged in Rishikesh to take part in the International Yoga Festival. The seven-day yoga festival began on Tuesday on the banks of Ganga at the Paramarth Niketan Ashram in Uttarakhand. More than 150 styles of yoga would be taught at the festival, apart from lessons on meditation and Indian philosophy. Yoga, a discipline that dates back thousands of years, has gained immense international prominence over the last several decades as a holistic regime for the mind and body.