Heat oil in a kadai/pan.
Add the cumin seeds and the halved red chillies.
Give a stir and add the chopped onions. Mix it well and add 1/2 tsp salt. Fry the onions on medium heat for 10 mins till brown.
Reduce heat to low and add the ginger garlic paste. Fry on low heat for 2 mins and then add the tomato purée. Mix and continue to fry it on medium heat for 2 mins till oil separates.
Add the fried chicken and mix & fry it on high heat for 1 min.
Now add the red Chilli powder and the Bhuna Masala. Mix it well and bhunno/fry it on medium heat for around 3 mins. Add a splash of water to prevent it from burning.Continue to bhunno/fry on low heat for another 3 mins.
Reduce heat to low/switch off heat and add the whisked yogurt. Mix well and switch on heat on low. Continue to cook on low heat for 2 mins.
Mix and cover & cook on low heat for 10 mins. ( Give a stir after 5 mins)
Garnish with chopped coriander leaves, mix well and simmer for a minute or two.