Heat oil in a pan
When oil is hot enough add mustard seeds and allow to splutter
Add chana dhal, urad dhal and fry a little
Add turmeric power, asafoetida, green chili and fry well
Add bhindi, salt, dry mango powder (or tamarind paste), mix and fry well
Close the pan with a lid and simmer the flame and allow to cook for 10min
Now add sambar masala powder, mix well and allow to fry
Garnish with curry leaves
Serve hot with any rice items