Correct Answer - Option 2 : M/S Bharat Heavy Electricals Limited
Bharat Heavy Electricals Limited (BHEL):
Manufacture high power transformer, gas and steam turbines, boilers for power plants, motors, generators, power electronics devices, transmission systems equipment.
National Thermal Power Corporation Limited (NTPC):
Largest electricity generation company in India.
Heavy Engineering Corporation Limited (HECL):
Produces steel plant equipment, mining equipment, crushing equipment etc.
Electricity Authority of India (EIA):
Construction of electrical plants, electric lines and connectivity to the grid, installation and operation of meters and safety and grid standards.