Which of the following is a challenge that India's power sector is facing now a days?

All of the above

Some of the challenges that India’s power sector faces today are —

1. India’s installed capacity to generate electricity is not sufficient to feed the high economic growth.
2. State Electricity Boards (SEBs), which distribute electricity, incur losses exceed `20,000 crores. This is due to transmission and distribution losses, wrong pricing of electricity and other inefficiencies.
3. There is general public unrest due to high power tariffs and prolonged power cuts in different parts of the country.
4. Thermal power plants, which are the mainstay of India’s power sector are facing shortage of raw material and coal supplies.