first, pressure cook pavakkai, required salt, turmeric powder, and tamarind water in a separator; pressure cook for 5 whistles
Transfer to a colander and drain the water; keep aside
Add oil and heat
Furthermore, add mustard seeds, chana dal and urad Dal; splutter
Add green chilli, curry leaves and small onion; mix well and saute till they turn translucent
furthermore, add turmeric powder; saute for a minute
Add sambar powder, roasted peanuts and coconut; mix well and saute for 2 minutes
Add cooked bitter gourd and sugar; mix gently and cook for 6-8 minutes or till you get the desired texture