The correct answer is D. Musi.
The Musi River is a river in the Indian state of Telangana. It flows through the city of Hyderabad and joins the Krishna River near Nalgonda. The Musi is a perennial river, but its flow is highly variable. It is a major source of water for irrigation and drinking water in Hyderabad. The river is also a popular tourist destination.
The Godavari River is the longest river in India. It flows through the states of Maharashtra, Telangana, Andhra Pradesh, Karnataka, and Odisha. The Krishna River is the second longest river in India. It flows through the states of Maharashtra, Karnataka, Andhra Pradesh, and Telangana. The Dindi River is a tributary of the Musi River. It flows through the states of Telangana and Andhra Pradesh.
The Musi River is a major source of water for irrigation and drinking water in Hyderabad. The river is also a popular tourist destination. The river is home to a variety of wildlife, including fish, birds, and reptiles. The Musi River is also a major source of pollution in Hyderabad. The river is heavily polluted with industrial waste and sewage. The pollution has caused a number of problems, including the death of fish and other aquatic life, the contamination of drinking water, and the spread of disease.
The government of Telangana has taken a number of steps to clean up the Musi River. These steps include the construction of sewage treatment plants, the enforcement of pollution control laws, and the planting of trees along the banks of the river. The government has also launched a public awareness campaign to educate people about the importance of keeping the river clean.