The correct answer is A) Nizamabad.
Nizamabad district has a population density of 228 people per square kilometer, which is the lowest of any district in Telangana. The other options are all incorrect because they have higher population densities.
Adilabad district has a population density of 320 people per square kilometer. Mahabubnagar district has a population density of 340 people per square kilometer. Medak district has a population density of 360 people per square kilometer.
The low population density of Nizamabad district is due to a number of factors, including its large area, its mountainous terrain, and its dry climate. The district is also home to a number of tribal groups, who tend to live in small, isolated communities.
The low population density of Nizamabad district has a number of implications. For example, it makes it difficult to provide basic services such as education and healthcare to the people who live there. It also makes it difficult to develop the district’s economy.
The government of Telangana is working to address the challenges posed by the low population density of Nizamabad district. For example, the government is investing in infrastructure development in the district, and it is also working to improve access to education and healthcare.