New Delhi, Nov. 3 -- Congress leader Rahul Gandhi at a poll rally in Bihar's Begusarai on Sunday said that if the Opposition grand alliance, or Mahagathbandhan, comes to power, the government would work for the most backward classes, backward classes, minorities as well as the poor from the general castes. Gandhi's assertion, according to a senior party functionary, sends two messages in the poll-bound state - it will not be a Yadav-dominated government; and the Congress will play a key role for social justice. As the battle for backward and Dalit votes intensifies between the ruling NDA and the Grand Alliance in Bihar, the Opposition bloc hopes that Gandhi and his latest brand of politics will appeal to Dalit and Extremely Backward Class (...