Wash and soak chana dal, toor dal, methi (fenugreek) and coriander seeds for 10 minutes. Drain and add to a high speed blender.
Add red chili, green chili, ginger pieces, grated coconut and cilantro to the blender.
Add a small quantity of buttermilk/kefir and blend to a smooth paste. Add the rest of the buttermilk to this paste.
Wash and chop your amaranth greens. Add 1/4 cup water and salt. Cook the greens with lid closed until they are firmly tender but not mushy.
Add the ground mix (masala) to the greens.
Add salt, turmeric powder, black pepper powder and mix well. Allow everything to come to a gentle boil and turn off the heat.
For Tempering: Heat oil in a small pan. Add asafetida (hing), splutter mustard seeds, add dry red chili (optional) and curry leaves. Mix for 20 seconds or so.