Heat cooking oil in a saucepan and add chopped onion and fry till light golden, along with green chilies and curry leaves.
Add 1 tbsp ginger & garlic paste and fry 1 minute. To this add chopped tomatoes and cook till it is soft.
Now add all the spice powders like 1/2 tsp turmeric powder, 1 tbsp red chili powder, 1 tbsp coriander powder and 1 tsp cumin powder.
Cook on low flame for 5 minutes till aromatic and oil separate.
Then add 1/2 cup yogurt, Salt, 1 tbsp lemon juice, 2 tbsp tomato puree and 1 cup fresh coriander leaves. Place the lid and cook for another 5 minutes.
Add prepared Chicken 65 to this masala, stir gently. Add 1/2 cup water and cook on low flame for 5 minutes.
Serve hot.