The correct answer is: A. Hisar.
Asbestos is a naturally occurring mineral that is found in many parts of the world, including India. In India, asbestos is found in the states of Andhra Pradesh, Gujarat, Jharkhand, Karnataka, Madhya Pradesh, Maharashtra, Rajasthan, Tamil Nadu, and Telangana.
In Haryana, asbestos is found in the district of Hisar. The asbestos mines in Hisar are located in the village of Kheri Majra. The mines are operated by the Indian Bureau of Mines.
Asbestos is a dangerous mineral that can cause cancer. It is important to avoid exposure to asbestos. If you are exposed to asbestos, it is important to see a doctor.
Option A: Hisar is the correct answer. Asbestos is found in the district of Hisar.
Option B: Gurugram is not the correct answer. Asbestos is not found in the district of Gurugram.
Option C: Karnal is not the correct answer. Asbestos is not found in the district of Karnal.
Option D: Mahendragarh is not the correct answer. Asbestos is not found in the district of Mahendragarh.