Question

pie chart showing the major source of energy for our requirements in India​

Answer 1

Coal, oil, and natural gas are the three primary commercial source of energy in India. Other sources include Bio-fuels, nuclear power,  hydroelectricity, wind power, solar energy.

Answer 2

Coal, including lignite even today accounts for 60% of the country's commercial power requirements. ... Power stations are located on the coal fields to produce electric power to feed regional grids. Per capita consumption of coal is 225 kg. Lignite (brown coal) is generally a low quality coal.