The correct answer is A. Ranchi.
The Software Technology Park in Jharkhand is established in Ranchi, the capital of Jharkhand. It is a joint venture between the Government of Jharkhand and the Software Technology Parks of India (STPI). The park was established in 2006 with the objective of promoting the development of the IT industry in Jharkhand. It offers a range of facilities and services to IT companies, including office space, incubation facilities, and training programs. The park has been successful in attracting a number of IT companies to Jharkhand, and has played a significant role in the development of the state’s IT industry.
Option B is incorrect because Dhanbad is a city in Jharkhand that is known for its coal mining industry. It is not a major center for the IT industry.
Option C is incorrect because Kiriburu is a town in Jharkhand that is known for its iron ore mining industry. It is not a major center for the IT industry.
Option D is incorrect because there is no city in Jharkhand called None of the above.