The correct options are
B In India, experimental projects have been set up to harness geothermal energy.
C Hydroelectricity plants are also called as multipurpose projects.
Electricity is generated on a large scale in india, either by running water which drives hydro turbines to generate hydro electricity or by burning fuels such as coal, petroleum, and natural gas to drive turbines to produce thermal power.
Two experimental projects have been set up in India to harness geothermal energy. One is located in the Parvati valley near Manikarn in Himachal Pradesh and the other is located in the Puga Valley, Ladakh.
In India, Hydroelectric power plants also called as the multipurpose projects. Eg- Bhakra Nangal, Gandhi Sagar, and Nagarjunsagar dam.
Some of the Thermal power plants are Durgapur Thermal Power Station in Kolkata, Chandrapur Thermal Power Station in Maharashtra andSabarmati Thermal Power Station in Gujarat.