IMMEDIATELY after alighting from the train in Petrograd station on April 3, 1917 Lenin addressed the thousands of workers who had gathered there to welcome him. He concluded his address with the rousing slogan, “Long Live the Socialist Revolution” and plunged into action from that instant.The immediate task undertaken by Lenin was to lay out a theoretical and practical map for the advancement of the revolution. It is in this background that he had written his famous ‘April Theses’.