In a wok, heat oil. Add chilies, onion and garlic paste and fry real good, till its raw odour just leaves.
Then add bitter gourds slices and give a quick twist.
Add salt, turmeric and chili powder to this. Followed by tomato puree & tamamrind paste. Maybe add little water. Cover and cook till it is done.
Add the pickling spices and bring this to boil.
In a seperate pan, heat oil. Add mustard, asafoetida, red chilies and curry leaves. Let it crackle well.
Now run this sesonning over ht curry prepared.