Wash and clean the mutton. Marinate the mutton with the ingredients curd, turmeric powder, red chilly powder, salt, Ginger garlic paste, mustard oil that are mentioned under marination.
Marinate the mutton for 2-4 hours.
Dry roast the ingredients mentioned under spice mix and grind it coarsely.
Marinate the boiled eggs and potatoes with a little turmeric powder and salt,keep aside for 10 minutes.
Take oil in a pressure cooker, fry the hard boiled eggs till lightly golden in color.
Fry the potatoes till golden brown.
Add some more mustard oil, to that add radhuni, fenugreek seeds and bay leaf.
Add sliced onions and a pinch of salt. Cover in cook till the onions turn translucent.
Add ginger garlic paste and green chillies.
After 2 minutes add the chopped tomatoes and a tablespoon of the spice mix.
Once the tomatoes turn soft add the marinated mutton and rest of the spice mix, Salt and sugar.
Keep stirring and sauteing till the oil starts releasing from the sides, take almost about 10 minutes on a medium flame.
Add a little water and pressure cook for 10-12 minutes on a low flame after the 1st whistle.
Release the pressure, add the fried potatoes and pressure cook for another 5-7 minutes on low flame.
Allow the pressure to release on it's own.
Open the lid and add the boiled eggs. Mix well and serve hot with steamed rice.