Filmmaker Vivek Agnihotri has announced a ‘buy 1 get 1 ticket free’ offer for his movie The Vaccine War. The film has been successful at the box office and Agnihotri shared the offer on social media. This is a common promotional strategy in the industry. The Vaccine War, directed by Agnihotri, stars Nana Patekar, Anupam Kher, Pallavi Joshi, Sapthami Gowda, and Raima Sen.