Possible Clues:

• Indigo shrub
• Dye used in blue jeans
• Kapoor of Hindi cinema
• __ Kapoor, Bollywood star
• Component of the pigment Maya blue
• Indigo-dye source
• Get advanced nothing for shrub producing wrong colour here
• A nothing will die, by the sound of it, till all is blue
• It's a nothing to die, by the sound of it
• Ear part