New Delhi, March 21 -- At the age of 10, Ashok was an ambitious young boy in Munger, Bihar. He dreamed of growing up to join the army and using the technical skills he picked up on his visits to the gun factory near his home. He would run for a swim in the Ganga nearby with his friends during the lunch break at school, loved playing sports, and was always curious about how electrical appliances or plumbing equipment functioned. One day, during his physical training class in school, his teacher noticed discoloured patches on his back and promptly sent a letter back with Ashok for his father, who worked as a section officer with Indian Railways....