Mix together coriander powder and chilly powder with water and keep it aside.
Heat oil in a pan.
Add onions and fry till, they turn brown.
Add cinnamon sticks, cloves and cardamom pods and stir well.
Add ginger, garlic and green chillies and stir well.
Keep this mixture aside.
Heat some more oil in the same pan.
Saute the chilly-coriander powders mixed with water.
Add the mutton pieces, curd, salt along with enough boiled water and cook well.
When mutton is almost cooked, add the kept aside mixture along with lemon juice, coriander leaves and mint leaves.
Mix the maida in milk and add to the curry, when mutton is fully cooked.
Mix well.
:- Serve hot.