Bollywood actor Akshay Kumar informed that 'Mission Mangal' is completely based on facts which we were not earlier aware of. 'Mission Mangal' is all set to hit the theatres on August 15. The upcoming movie is based on the Mars Orbiter Mission, also called 'Mangalyaan', carried out by a team of scientists at the ISRO. While speaking to the reporters, Akshay Kumar said, "The complete film was based on facts. Our director's sister is a scientist in ISRO. We were not aware of a lot of facts earlier."The film stars Akshay Kumar, Vidya Balan, Taapsee Pannu, Sharman Joshi, Nithya Menon, Kirti Kulhari as ISRO scientists.