India to the world

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