For preparing shrimp bhuna, prepare a marinade of yoghurt, garam masala, chilly powder, coriander powder, pepper powder, turmeric powder, salt and lime juice. Add shrimps to the marinade and leave aside for 30 minutes.
Heat oil in a pan, add garlic, onion, bell peppers and tomato. Fry for few minutes.
Add the marinated shrimps and cook it till the shrimps are done by adding required water. Make it a semi thick gravy. Decorate the shrimps with chopped green chillies and coriander leaves.