Telapia Macher Tak Posto ( Telapia cooked in Poppy and Tamarind gravy)

Telapia Macher Tak Posto  ( Telapia cooked in  Poppy and Tamarind gravy)
Ingredients
6 to 8 pieces of medium size Telapia fish
2 Green Chillies slit
1/2 tsp Nigella seeds 
1 Whole Dry Red Chilli
3 tbsp Poppy seeds
1/2 tsp Mustard seeds
Salt to taste
1 tsp Sugar 
1 tsp Turmeric powder
1 tbsp Tamarind paste
Mustard oil to fry and cook the fish

Method
Take Poppy seeds, mustard seeds, 1 Green chilli and tamarind paste. Add 1/4 cup water and make a paste. Keep it aside.
Take oil in a pan, heat the oil and fry the fish until golden brown from both sides. Keep them aside. Take 2 tbsp oil in a pan,  heat  it. Add nigella seeds,  when it  crackles add green chilli and add poppy seed paste,  turmeric powder, salt and sugar. Stir for 2 minutes , add 1 1/2 cup of water. Stir it. Simmer on low heat for 5 minutes. Add the fish pieces. Cover and cook till the fish is tender and the gravy has  thicken up a bit. Drizzle with mustard oil and serve hot with rice.