The idea gradually attracted the interest of some leaders of India 's Congress Party ( `` Ahimsa Finds Teen Voice '' , The Telegraph , Calcutta ) until a Satyagraha Conference resolution in New Delhi in January 2007 , initiated by Indian National Congress President and Chairpersonorganization.leadershipthe United Progressive Alliance Sonia Gandhi and Archbishop Desmond Tutu , called upon the United Nations to adopt the idea .