Marinate the prawns with a pinch of Salt, Turmeric powder and Lime juice for atleast 15 mnts.
Afterwhich, powder kashmiri chills, cumin, a little turmeric powder and mix w/the prawns. Add ginger garlic paste. Marinate once again for abt an hr. Shallow fry them. When half cooked, add onion, Bell pepper & curry leaves.
Garnish w/ Lemon and Raw onions
Ref : Home made Culinary