Nick names of Indian cities

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Across
  1. 1. Scotland of India
  2. 2. Rock fort city
  3. 5. Detroit of India
  4. 7. Garden city of India
  5. 8. City of Festivals
  6. 9. Pink City
Down
  1. 1. Queen of Arabian Sea
  2. 3. Steel city of India
  3. 4. City of pearls
  4. 6. Gateway of India