Wash the lentil under running water and soak for 10-15 minutes.
After that, drain the water and add the lentil or dal, along with the required water, and pressure cook for 2 to 3 whistles.
Meanwhile, peel the raw mango and cut it into long strips after removing the seed.
Now heat 1 tablespoon of oil in a pan and sauté mango strips with salt and little turmeric powder.
After few minutes add ½ cup of water and allow to cook the mangoes for 3-4 minutes and keep aside the mango along with the water.
Next heat remaining oil and add Bengali five spice (panch phoron) and dry red chilli.
Once they start crackling, add turmeric powder, boiled dal and cooked mango with water.
Add 1 cup of water in the pan and adjust the salt and add little bit of sugar.
Allow the dal to boil for 5 minutes and later turn off heat and serve hot with rice.