Possible Clues:

• Language that a militant uses
• An official language of Sri Lanka and Singapore
• Language spoken by many a 35-Down
• One of Sri Lanka's official languages
• Asian people caught up in removing extremes of climate
• Language in Sri Lanka
• Perhaps Indian Mutiny's leader imprisoned in end
• Language spoken in Sri Lanka and south India
• National Trust's originator raised capital abroad
• Asian team finally breaks through the last batsmen