Cities and its special names

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Across
  1. 2. manchester of south india
  2. 6. city of pearls
  3. 8. city of festivals
  4. 9. pink city
  5. 10. rockfort city
  6. 11. orange city
Down
  1. 1. queen of arabian sea
  2. 3. silicon valley of india
  3. 4. land of knowledge
  4. 5. detroit of india
  5. 7. golden city of india