Filmmaker Karan Johar, who is also the producer of Ranbir Kapoor and Alia Bhatt starrer 'Brahmastra: Part One-Shiva', which is set for a pan-India release, says that he aims to “penetrate” into every corner of the country with the film. Directed by Ayan Mukerji, 'Brahmastra' also features megastar Amitabh Bachchan, Nagarjuna, and Mouni Roy.