First wash the bone less chicken twice with turmeric powder and salt. Keep aside. Boil the chicken in pressure cooker. Wait for 4 whistle till the chicken become tender. Once it is done. Cool it and take out the lid of the cooker. Transfer the chicken to plate. Mash the chicken with masher. Add all the spices. Green chilli,ginger and garlic paste, gram flour,rice flour, baking powder,chopped onion, garam masala, chopped coriander leaves and salt