India, Sept. 21 -- It has been six years since the first announcement was made about Karan Johar's ambitious film on Indian spymaster RN Kao, and the film finally has a release date. On Monday, Dharma Productions formally announced that it is working on a film based on the legendary spy's life. The film, which will showcase Kao's contributions to India's intelligence-building, is being co-produced by Leo Media Collective. The announcement has brought focus back on RN Kao's illustrious life and career, which laid the foundation for India's espionage world.

Rameshwar Nath Kao was born in Benares in a Kashmiri Hindu family in 1918. He studied at Lucknow University and later at Allahabad University, before beginning his career in a cigarette...