Wash and peel the skin of mango. Put it in a bowl along with arhar dal. Add one cup water and cook it in the pressure cooker.
Once the pressure releases, let cool, mash the mangoes and extract the pulp.
Take oil in a pan. Make the seasoning, add the mustard seeds, as it crackles put asafoetida and turmeric powder. Next, put the methi seeds and then throw in the ginger and garlic. Saute for a few seconds.
Add the mashed mixture to it. Put salt and simmer for fifteen minutes.