Gilafi Seekh Kebab recipe chicken

Name: Gilafi Seekh Kebab recipe chicken
Ingredients: 200 gm chicken leg boneless; 1 teaspoon ground cumin( jeera powder); 1/2 teaspoon garam masala; 1/4 teaspoon black pepper powder; 1/2 teaspoon lemon juice; 8 - 9 garlic cloves; 1 inch ginger; 1-2 green chili ( or paste); 2 teaspoon fresh mint leaves; 1 teaspoon Cilantro leafs ( Coriander; 1/3 teaspoon chat masala; 1/2 teaspoon pure ghee ( optional); Salt as per taste; For the Gilafi; 1/2 medium size red bell pepper; 1/2 medium size yellow bell pepper; 1/2 medium size capsicum; 1/2 medium size onion ( optional