Msrinate the chicken with salt, turmeric powder,red chilli powder,curd,oil and ginger garlic paste.Keep aside for 30 mnts

Now heat oil and fry the Potatoes adding salt and turmeric powder till it is golden brown

Remove it and add oil and temper whole garam masalas

Add ginger garlic paste and saute well

Add onion slices saute well adding salt and turmeric powder

Now add the tomato and fried onion paste mix well

Add the marinated chicken and saute

Cover it and cook on medium heat

As the masala releases oil add Potatoes and red chilli powder

Cover it adding water till the chicken and potatoes are tender