Vikram Sood is a former head of India's foreign intelligence agency, the Research and Analysis Wing (R&AW). In addition to his extensive experience in espionage, he is also a published author, with two books to his name: "Unending Game" and "The Ultimate Goal". Both books have been praised for their ability to explore complex topics such as espionage with a clear and concise narrative. In an interview with Aarti Tikoo, Sood provided insights into the world of espionage and national security.