Clean and boil the potatoes in cooker in water for 2-3 whistle. Once its done, immediately, remove boiled potatoes from boiling water. Let it cool down. Once its cool down, peel the potatoes and mashed it using potato masher. Keep aside.
Heat oil in a pan, add fennel seeds, carom seeds, when it gets slightly golden color. Add peas and little salt, saute till peas gets tender.
Add coriander-cumin powder, chili powder, amchoor powder, turmeric powder, crushed coriander seeds, chaat masala powder. Saute it for one minute at low to medium heat.
Add coriander & mint chutney and salt to taste, mix it well. Turn off the heat.
Add boiled mashed potatoes, chopped coriander leaves and nuts.
Mix it very well. Let it cool.
For Dough
In a mixing bowl, add flour, salt, butter or ghee, carom seeds and rava.
Mix it using hand very well till dough gets crumble texture after mixing.
Add little by little water and make a medium soft dough. Cover it and keep it aside for a 15 min.
Take a equal size of dough and make a small size balls. In a small bowl, take 3 tsp all purpose flour and 5 tsp water, mix it and keep it aside for sticking the samosa edges.
Take a dough ball and dust with dry flour and roll it in oval shape. Apply some flour liquid along the edges. Cut in a center.
Take one part on hand, fold it at the center of the straight edge and join the straight edges by overlapping to make a cone shape. Fill 2 tbsp potato mixture and seal the top edges.
Make all samosa following the same processes. Cover with wet clean cloth. Keep it aside.
For Frying
Heat oil in a deep pan at high to medium heat. Once oil gets hot enough bring the temperature at low to medium heat.
Fry the samosa from both sides till it is a golden color.
Place the fried samosa on kitchen towel.
Hot samosas are ready to be served. Serve it as appetizer with sweet chutney and green chutney.