Microfilming of the documents have also been done to preserve those, an official said.
"Under the project by the state government, the archives made the audio recordings of state's history as per the details given by the freedom fighters.
"Details of 246 freedom fighters' memoire have been published on the website and the audios also uploaded," Mahendra Singh, director of the archives, said.
Besides, CDs have also been prepared and presented to the families of the freedom fighters.