To grind: Blend the onion, coriander leaves, mint leaves, ginger, garlic cloves, jeera and peppercorns into a smooth paste.
To cook: Heat ghee in a pressure cooker. Add cloves, cardamom, cinnamon and bay leaf. Sauté for a minute.
Add the ground paste and sauté for 2-3 minutes.
Add the chicken pieces, turmeric, green chillies, celery (if using) and salt. Mix well.
Pour in the water and close the pressure cooker. Cook for 3-4 whistles or until the chicken is tender.
Serve hot.
