The correct answer is: C) Warangal.
The Godavari River enters Telangana in the Warangal district. It enters the state from the neighboring state of Maharashtra. The Godavari River is the second-longest river in India, after the Ganges River. It is a major source of water for irrigation and drinking water in Telangana. The river is also a popular tourist destination, with many temples and historical sites located along its banks.
Option A: Nalgonda is a district in Telangana. It is located in the central part of the state. The Godavari River does not flow through Nalgonda district.
Option B: Nizamabad is a district in Telangana. It is located in the northern part of the state. The Godavari River does not flow through Nizamabad district.
Option C: Warangal is a district in Telangana. It is located in the central part of the state. The Godavari River enters Telangana in Warangal district.
Option D: Karimnagar is a district in Telangana. It is located in the northern part of the state. The Godavari River does not flow through Karimnagar district.