After completing a master’s degree in data science at Pace University in New York in May last year, Tarun returned to India in October, saying frequent changes in US visa rules and employer sponsorship requirements had made it difficult for him to find a job in the world’s largest economy. Tarun, who is from the southern Indian city of Tirupati, felt returning home was a more prudent move than pursuing a job in the US indefinitely. “I got a job within one month here [Bengaluru] with an American...