- Season chicken quarters generously with salt and pepper on both sides. 
- Heat ghee in a large frying pan over medium-high heat and brown chicken quarters in two batches until golden on all sides. 
- Transfer browned chicken to a 6-quart stove-top covered casserole, leaving the fat in the pan. 
- Add minced garlic and chopped onions to the same pan and sauté until golden brown. 
- Transfer the garlic-onion mixture to the casserole with the chicken. 
- Add ginger, cumin, ground mustard seeds, cinnamon, cloves, turmeric, cayenne, and paprika to the casserole. 
- Sauté the spice mixture for 2-3 minutes until fragrant. 
- Add lemon juice, vinegar, brown sugar, salt, water, and prepared tamarind liquid to the casserole. 
- Cover and simmer until chicken is tender, approximately 45 minutes, stirring occasionally. 
- During the last 10 minutes of cooking, partially remove the lid to allow sauce to thicken.