Mission Mangal starring Akshay Kumar, Taapsee Pannu, Vidya Balan, Sharman Joshi, Nithya Menen and Sonakshi Sinha is all set evoke national pride on this Independence Day. Directed by Jagan Shakti, the much-awaited film is chronicling the life of the scientists who worked on India's Mars Orbiter Mission. Given all the star power and patriotic connect, what is the box-office of the film going to be like? Our experts weigh in.