A spate of recent releases — including Imtiaz Ali's ‘Main Vaapas Aaunga’ — shows that word-of-mouth remains a potent currency for Box-Office success. A spate of recent releases — including Imtiaz Ali's ‘Main Vaapas Aaunga’ — shows that word-of-mouth remains a potent currency for Box-Office success. by Soban News (international And National News)