Clean the prawns, add a pinch of turmeric powder and ½ tsp of salt. Keep aside.
After 10 minutes, squeeze the prawns and set aside.
Heat 2 tsp of oil in a pan, cook the prawns till all the water evaporates. Switch off the flame and keep the prawns aside.
Cut the okra into 1” pieces and keep aside.
Heat oil in a pan. Add cumin seeds, mustard seeds, fenugreek seeds, crushed garlic pods, green chillies, curry leaves and sauté for a minute.
Add chopped onions and fry till brown. Add turmeric powder, chilli powder and salt. Saute for a minute.
Add cooked prawns, okra pieces and tamarind pulp. Add some water and cook till the okra becomes soft.
Finally add crushed pepper corns and mix well.
Switch off the flame and transfer to serving bowl. Garnish with coriander leaves and serve hot with steamed rice.