Heat oil in a non-stick pan, add coriander seeds, coriander powder, cumin powder, red chili powder, fennel powder, garam masala powder, and salt and mix well and saute for 2 minutes add little water to avoid overcooking, Add soaked moong daal, ½ half cup water, dry mango powder, besan and chat masala mix well and cook till moong daal is fully cooked