New Delhi Actor Akshay Kumar says wife Twinkle Khannas pregnancy news has made their son Aarav very happy because now hell have a younger sibling. The couple is expecting the baby in September this year. "Aarav is too happy now as he will have a sibling at home," Akshay told PTI. Meanwhile, the actor is busy with his upcoming action film Rowdy Rathore, where he plays a double role. The film, a remake of Telugu film Vikramarkudu, is scheduled to hit theatres on June 1.