it's Karaishuti'r Kachori or green peas kachori, a bengali delicacy, deep fried bread stuffed with green peas and Dum Aloo, a North Indian Style Spicy potato curry
Reduce the heat to sim, and add the yoghurt mix. Almost all the vegetables are cooked with this paste, fish and even eggs are also cooked with this paste
Bring to boil, sim and cover the pan slightly. Dice all vegetables in inch long pieces. Keep stirring & checking in between for vegetables to be cooked completely