The correct answer is D. All of the above.
Government archives are a valuable source of information on the Telangana freedom struggle. They contain documents such as official reports, correspondence, and minutes of meetings. These documents can provide insights into the strategies and tactics of the freedom fighters, as well as the government’s response to the struggle.
Oral histories are another important source of information on the Telangana freedom struggle. These are interviews with people who participated in the struggle, or who witnessed it firsthand. Oral histories can provide a personal perspective on the events of the struggle, and can help to fill in the gaps left by official records.
Memoirs of freedom fighters are also a valuable source of information on the Telangana freedom struggle. These are accounts written by people who participated in the struggle, and can provide a first-hand account of the events. Memoirs can also help to shed light on the motivations of the freedom fighters, and the challenges they faced.
In conclusion, all of the above sources can be used to study the Telangana freedom struggle. Each source has its own strengths and weaknesses, but together they can provide a comprehensive picture of the struggle.