Chicken Kalmi Kebab

Name: Chicken Kalmi Kebab
Ingredients: 4 No. Chicken Legs (Drumstick and thigh); 3 tbsp Ginger garlic paste; 4 tbsp Lemon juice; 2-3 No. small green chilies (chopped); 4 tbsp Green coriander leaves (chopped); 2 tbsp Cashews (soaked in water for 10 mins); 1/2 cup Greek Yogurt; 1 tsp Salt (more or less according to your taste); 1.5 tsp Red chili powder; 2 tsp Tandoori masala; 1/2 tsp Turmeric Powder; 1/2 tsp black pepper powder; 1/2 tsp Cumin powder; 2 tbsp Butter (optional); 6 tbsp Canola oil (If you don't use butter, use extra oil)