• In a wok, add oil and heat it.
• Add cumin seeds, slit green chillies and saute for few minutes.
• Add garlic cloves and stir well.
• Add bottle gourd/sorakaya cubes into it.
• Mix well, also add coriander leaves into it and mix well.
• Cook for few minutes until bottle gourd turns soft.
• Add chopped tomato and cook until it turns soft.
• Add salt, turmeric powder and mix well.
• Cook for few seconds.
• Cool down the mixture.
• Add the whole bottle gourd mixture into a blender.
• Add tamarind pieces into the blender(do not add water).
• Blend the whole mixture finely.
• Give the tempering as mentioned below.

For tempering:

• In a tadka pan, add oil and heat it.
• Add cumin seeds, mustard seeds and let them crackle.
• Add chana dal, urad dal and stir for few seconds.
• Add dried red chillies and stir for few seconds.
• Add curry leaves and let them crackle.
• Transfer the tadka all over the chutney.
• Serve hot with rice and dal.