Take a pan and put oil in it ,now add sliced onions,saute them till brown
Now add curd and saute it for 2-3 mins
Now add tomato puree, salt, red chilli powder, cardamom and cook it for 5-7 mins till gravy loses oil. Let it cool down.
Now grind the mixture in grinder and again keep it on gas and add milk, cook it for 2-3 minutes. add 2 drops of soya sauce to give color to gravy , now gravy is ready,
Stuffing for naan
Mix cottage cheese, finely chopped onion, salt, coriander leaves, coriander powder and cumin powder in a bowl.
Naan
Take refined flour, add curd, baking powder, salt, sugar(dissolved in water),1 tsp oil and knead the dough using water.
Keep this dough for 30 minutes.
Now make chapatis from dough and fill the stuffing in it and after that apply it on tandoori,put the tandoor upside down,naan are ready once turned brown,naan are now ready,serve it with gravy