Take half onion, garlic cloves, ginger and coriander leaves in a grinder and make a smooth paste.
Melt butter in a pressure cooker and add dry whole spices like bay leaf, black peppercorn, clove.
Add chopped onion (half onion) and sauté it.
Next add chicken bone pieces and keep on cooking under low to medium flame.
After cooking for few minutes add turmeric powder and salt to the chicken pieces and sauté for few more minutes.
Add the onion-ginger-garlic-coriander paste and combine well until the raw smell disappeared.
After that add 4 cups of water into the pressure cooker, check the seasoning.
Close the lid of pressure cooker and wait for 3-4 whistles. Turn off the heat.
Once the pressure is released open the lid and strain the broth.
Shred the chicken pieces and discard the bones. Keep aside the shredded chicken pieces.
Now serve the strained broth in bowls and top it with few shredded chicken and lemon roundels.