Peel and cut the mango into cubes, and cook it in a little water.
Wash and cook the dal with enough water and turmeric powder.
Alternatively, you can microwave the mango pieces till soft.
Chop the onions finely, slit the green chili, and finely chop the garlic and ginger too.
In a pan, add ghee and mustard seeds, cumin, slit green chilies, and red chilies.
Add the finely chopped garlic and ginger. Add the asafoetida too.
Cook for 2 minutes and add the finely chopped onions. Cook till the onions are translucent.
Mix well and add water to bring it to the desired consistency.
Genrally mango dal will be thick, but i made it little thin like the usual dal.
Allow this to boil for 5 minutes. Add curry leaves and switch it off.
Mango dal is ready to serve.