India, Jan. 21 -- Over the years, he has intrigued audiences and also regaled them with his passionate, inimitable and dazzling takes on the emotion called love. In his next, Love Aaj Kal, Imtiaz Ali has again revved up the romance by traversing two different eras - one set in Udaipur in the early '90s and the other in modern-day Delhi. But despite the two eras and disparate characters, the core remains the same. As Imtiaz puts it, "There is innocence, passion and impractical idealism in both characters, but in different ways, so we concentrated on one character at a time."...