Studies for locating geothermal reserves in India have been on for over 30 years

State-owned NTPC is likely to sign an agreement with the Chhattisgarh government to prepare a study on geothermal reserves available in the mineral rich state and advanced talks are on in this regard. "Chhattisgarh government may sign a pact with NTPC to study geothermal reserves in the state, (it) may form a Joint Venture for the same," a state government official said.