heat oil in a pan.add onions, green chilies, salt, and sauté till they become soft.
add turmeric powder, ginger garlic paste and sauté till the raw flavor of ginger garlic goes away.
next, add fennel seeds & cardamom powder and just give it a small mix.
add carrot, green peas, and potato cubes.cover it and cook on a medium flame till potatoes are half-cooked.
if you cook potatoes completely before adding yogurt, then they will become mushy.if you overcook potatoes they become mushy and you won't get a good texture.immerse the potatoes cubes in water until you use them to prevent them from turning dark and also the starch will be removed.you will know potatoes are done when a knife inserted into the potato, goes in easily, and slides back off the knife, but holds its shape.whip the yogurt before adding to the recipe.otherwise, it splits and curdles.