Why is Hyderabad becoming a cheap outsourcing capital?

Hyderabad in the early 90s was a prime spot for software engineers, some of them who went to the US to establish businesses there, successfully.

Of late, the switch has turned and companies now prefer Hyderabad for its affordability and cheap availability of talent with the Many Indian metros.

While this might create opportunities, this also leads to stagnation in terms of ideas and rampant exploitation. One reason why this is happening is possibly because of the cheap labor and human capital available from remote towns and villages of Andhra and Telangana