India to the world

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