Mitra haru, For anyone who are still googling, these are the best how-to's. I found most ingredients at our local Indian Grocery stores and wasn't as bad as I thought it would be. It was expensive though.

http://tasteofnepal.blogspot.com/2015/12/sutkeri-ko-ausedhi-or-masalaa.html
http://the-mom-side-of-me.blogspot.com/2012/12/postpartum-recovery-sutkeri-ausadhi.html
Postpartum Superfood “Sutkeri Masala” (सुत्केरी मसला): https://www.youtube.com/watch?v=nU-LyzCatW8

Hope this helps.