Crossword

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Across
  1. 2. an abundant energy source formed deep below the Earth’s surface.
  2. 3. Country that produce the most solar energy
  3. 6. Natural gas is primarily
  4. 7. 1st railways in India
  5. 8. Investment undertaken by government is known as
  6. 9. Petroleum is?
  7. 10. India's first post office(place)
Down
  1. 1. one of the main reasons due to which private producers do not take up production of public utilities
  2. 4. electricity generated from water
  3. 5. Solar energy is