Process chilis, garlic and ginger into a fine paste.
Add all the spices.
Combine together to make a dry spice rub.
Cut slits into the chicken meat and thoroughly massage with the spice blend.
Sprinkle lemon juice on top. Cover!
Marinate overnight in the refrigerator.
Take 1 cup water in the pressure cooker or Instapot.
Add vinegar.
Place a wire rack inside the cooking vessel.
Carefully place the marinated chicken on the rack.
Close the lid and set the valve to "sealed".
Set the timer and allow to cook. See notes!
Release excess pressure carefully. Transfer the chicken to a baking dish.
Apply clarified butter and broil in oven on highest temperature for 5 min.
Serve with mint-yoghurt or plum chutney.