Puzzle

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Across
  1. 2. liquid metal
  2. 3. indian flag based on ___flag
  3. 6. indian designed vaccine
  4. 7. assigned work
  5. 9. study of light
  6. 10. defy gravity
  7. 11. a connection, one part of a chain
  8. 12. property a+b = b+a
  9. 13. number of neighbouring countries of India
  10. 14. largest city in India
Down
  1. 1. first indian satellite
  2. 4. largest river by volume
  3. 5. light speed is used to calculate
  4. 8. fruit and mobile name
  5. 10. first programming language