Directed by Navot Papushado, Gunpowder Milkshake will be released in the country by PVR Pictures. Action thriller Gunpowder Milkshake, featuring Guardians of the Galaxy star Karen Gillan, is set to open theatrically in India on 10 September. Directed by Navot Papushado, the female-driven thriller also features Game of Thrones star Lena Headey and will be released in the country by …