Prime Minister Dr Manmohan Singh will inaugurate the nationwide celebrations to mark the 150th birth anniversary of Swami Vivekananda in New Delhi today. The Delhi Ramakrishna Mission will organise the events jointly with a government-appointed national committee. Celebrations spread over four years will be held across the country during which programmes would be conducted to help the youth connect to Swami Vivekananda's teachings. AIR correspondent reports, the Ramakrishna Mission, founded by Swami Vivekananda, is planning a series of programmes to commemorate the occasion, including a number of cultural programmes, essay writing competitions for college students and multimedia presentations on Swami Vivekananda's message to the youth.