1. Wash and cut kovakkai length wise, slit into two pieces.
2. Heat oil in a pan/kadai, splutter mustard seeds, black gram dal (split), curry leaves, hing.
3. Then add onions, tomatoes, fry for some time.
4. Add kovakkai, red chilly powder, coriander powder, turmeric powder, a little salt and fry for some 10 minutes till the vegetable is cooked well.
5. Serve hot.

Courtesy: http://tamilveg.blogspot.com/