Chop the drumstick leaves finely discarding the stem. Keep it aside till use.
Method
Heat a pan and add oil, cumin seeds, lentils, mustard seeds and curry leaves. Saute for a second, when the mustard seeds sizzle add slit green chillies.
Continue sauteing for a while and then add drumstick leaves. These greens will wilt and shrink in few minutes. Switch it off and let it cool down.
Meanwhile grind the grated coconut with little water to fine puree and transfer it to a bowl.
Next add whisked yogurt, salt and sauteed drumstick leaves to the same bowl. Mix well.
Very soothing and healthy drumstick leaves raita is ready to serve.
Notes
Yogurt which has a hint of sourness is good for this raita. I recommend using it.
Let the raita be thick in consistency, so do not add much water.
You can adjust spice by using additinal green ochilly.