Heat a thick bottom kadhai and quickly roast the sun dried murungai keerai for just couple of seconds. Keep them aside for cooling in a wide steel plate (as shown below)
Now in the same kadhai, add urad dal lentils and then roast it until golden brown.
Roast the chana dal similarly until they are golden brown in colour. Keep aside in a separate plate for cooling.
Now add the sesame seeds. Wait until you hear them popping and then immediately remove them aside on to a plate
Add few drops of oil and then saute the whole red chillies. Remove them and keep aside.
Roast the whole black peppercorns and keep aside.
Keep all the lentils, peppercorns, sesame seeds and whole red chillies aside for cooling. After they cool, add salt to taste and some hing or asafoetida.
Grind them together. The texture should be slightly coarse and not completely fine.
Now grind the moringa leaves.
Mix both the ingredients, check for salt and add extra, if required.
Store this in an air tight container. Stays fresh for months when stocked in a refrigerator.