Devein and clean the shrimps. Take the cleaned shrimps in a mixing bowl. To this add turmeric powder, Salt, and pepper powder.
Combine everything and let it marinate for 30 mins.
Heat a pan with ½ cup of gingelly oil. Once it's hot add in the marinated prawns and fry for 2 mins and then remove from the oil and set aside.
In the same pan add in 1 teaspoon Mustard seeds and 1 teaspoon Cumin seeds and let it splutter.
Next, add in 2 springs of curry leaves and let them splutter.
And then add in 2 tablespoon of ginger garlic paste and fry till the raw smell leaves.
Next, add in the spice powders. Add 2 teaspoon of Red Chilli powder, 1 tablespoon of Coriander leaves, 1 teaspoon of pepper powder, and ¼ teaspoon of Fenugreek powder.
Cook in a low flame until the spices cook and leave oil. It takes 2 to 3 mins approximately.
Now add in the fried prawns. Adjust the spices and salt as needed
Cook in a medium flame until the prawns are cooked. Prawn pickle is now ready. Let it cool completely and then store it in containers.