Soak the saffron strands in warm milk and mix well.
Heat oil and add onion juliennes.
Saute till it browns completely. Keep it aside.
Take the pan you are going to use to make the Dum biryani.
Add Curds, followed by all the spice powders, then the Ginger Garlic paste, Salt, green chilies along with fresh herbs and browned onions.
Mix this paste well and spread on the pan into one layer.
Next layer with the paneer tikka and potatoes.
Now top this with the cooked basmati rice.
Make sure the gravy below is well covered.
Add the saffron milk all over the rice.
Sprinkle finely chopped coriander leaves.
Cover with a tight lid and cook it on dum for 20 mins or medium flame.
Serve hot with raita.