Separate the leaves from the stems. Wash the separated leaves and keep them aside.
Heat oil in a pan. Add cumin seeds, urad dal and fenugreek seeds. Fry them on medium heat for about 30 seconds.
Add dry red chillies, chopped onion and garlic. Fry them till the onions turn translucent.
Add moringa leaves. On high heat, saute for about a minute.
Turn off the heat and let the mixture cool a bit.
Meanwhile, grind dry coconut in a mixie.
Add the cooled mixture and grind it.
Add salt and lemon juice.
Grind to a fine paste. If required, add a few spoons of water.
Transfer the chutney to a serving bowl.
Prepare the 'tadka' (tempering), by heating oil in a pan.
Add mustard seeds and asafoetida.
When the mustard seeds crackle, turn off the heat and put this fried mixture on the chutney.
Serve the chutney with hot steamed rice and ghee.