Tinda/kovakkai dry curry

Ingredients

• 1/2 Kg Round Tindas I used
• 2 medium sized onions
• 2 Tomatoes
• 2 pod Garlic
• 2 tablespoons oil
• 1 tablespoon mustard seeds
• 1 tablespoon chenna dal
• 1 tablespoon urad dal
• 1 sprig curry leaves
• 2 tablespoons chilli powder
• 1 tsp cumin powder
• 1 tablespoon coriander powder
• 1/2 teaspoon turmeric powder
• salt to taste