This is a unique one pot delicacy, a rich delectable preparation full of flavour and taste though a little different but still as delicious and enjoyable as the traditional biryani.
Heat oil in the instant pot, set it on "sauté normal", lightly sauté the shrimp quickly, remove and keep aside.
Heat oil in the instant pot, set it on "sauté normal" and fry the onions till golden brown. Add the ginger garlic paste, green masala, lightly stir, then toss in the shrimp and sauté well. Pour in 1/2 cup of coconut milk, a little water then mix well and switch off the instant pot. Soak the saffron threads in 1 tbs hot water and set aside.