निम्नलिखित में से कौन सी तिथि प्रतिवर्ष 'विश्व तंबाकू निषेध दिवस' के रूप में मनाई जाती है?

In which year did the Government of India declare Swami Vivekananda's birth anniversary as National Youth Day?

On which date is National Youth Day observed in India to mark the birth anniversary of Swami Vivekananda?