Film maker Mani Ratnam over the years have churned out some fascinating movies. And now the man with a vision is excited about his next venture, <em>Kadal</em> which releases today (1 February 2013). We caught up with Mani and talked to him about the movie and more…Read on… <strong>Kadal comes three years after <em>Raavan</em>. Why such a long hiatus? </strong>