New Delhi, April 20 -- Earlier this week, Kartik Aaryan witnessed what he describes as a "scary and powerful" dust storm, from close quarters in Udaipur. But on the other hand, the actor has been enjoying the waves created by a string of his movies at the box office. After Sonu Ke Titu Ki Sweety's runaway success last year, his latest film Luka Chuppi has now completed 50 days in theatres (till date the film has made over Rs.95 crore in India)....