Heat Oil in a pan. Add Chana Dal, Urad Dal, Cumin Seeds, Fenugreek Seeds and garlic. Fry them on medium heat for 15-20 seconds.
Add Dry Red Chillies and Curry Leaves. Fry them on medium heat for 10-12 seconds.
Add onions. Fry them on medium heat till they turn translucent.
Add Carrots and Capsicum. Fry on high heat for about 30 seconds.
Add tomatoes, salt and tamarind.
Reduce the heat to medium. Cover and cook for 2-3 minutes.
Turn off the heat and let the mixture cool completely.
In a mixer jar, add grated coconut followed by the fried mixture.
Grind to a paste. Add water to aid in grinding and to get a smooth consistency.
Transfer this ground paste to the serving bowl.
Prepare the tempering by heating oil on a pan and adding Urad Dal, Curry Leaves and Asafoetida.
Fry them on medium heat till the Urad Dal turns golden brown.
Put it on the ground Chutney.
Serve with Idli/dosa.