Smear the pieces of meat with ginger-garlic paste. Keep them to marinate for an hour.In the meanwhile, fry the sliced onions in a heated pan on low flame till light brown.Let the onions cool down and crush them.Now add crushed fried onion (only three-fourth), curd, red chilli powder, cinnamon, green chilli paste, cardamom, shahi zeera, coriander leaves, clove, saffron water, mint leaves and salt to the marinated meat.Leave the meat as it is for 1 hour.