India to the world

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Across
  1. 4. Word used to denote chemicals in ancient India
  2. 7. Major Shulba Sutra
  3. 8. Algebra is the modification of the term
  4. 9. Book of ship building
  5. 10. Algebra which originated in India
Down
  1. 1. Concept of zero originated in
  2. 2. Chemist who wrote the treatise Rasaratnaka
  3. 3. First one from India to claim about gravity
  4. 5. Ancient chemists were called
  5. 6. Term for zero which was indicated by a dot