The correct answer is D. All of the above.
The growth of the IT sector in Hyderabad has led to a demand for skilled workforce, development of support infrastructure, and increased economic activity.
The demand for skilled workforce has increased as more and more IT companies have set up their offices in Hyderabad. This has led to the development of new educational institutions and training programs to meet the demand for skilled workers.
The development of support infrastructure has also been a result of the growth of the IT sector. New roads, bridges, and other infrastructure have been built to support the growth of the IT sector.
Increased economic activity has also been a result of the growth of the IT sector. More and more people are employed in the IT sector, which has led to increased spending and economic activity.
In conclusion, the growth of the IT sector in Hyderabad has led to a number of positive changes, including increased demand for skilled workforce, development of support infrastructure, and increased economic activity.