"When today's young generation moves towards violence, moves towards suicides, live in depression, I think Yoga is most easy way to save them," Modi said in the brief video message played at the UN headquarters here.
Prime Minister Modi congratulated the Yoga Day participants and said that India feels proud that UN took the subject ahead and 177 countries of the world sponsored it.
"India's priceless legacy is today world's legacy," he said.
"For the welfare of mankind, we must connect with our legacy of yoga because this legacy is man's legacy. This is world's legacy, your legacy, and this is your responsibility to handover the legacy to the coming generation," he added.