Cut each jackfruit bulbs, jackfruit seeds, raw mangoes(if using) and green chillies into thin stripes and cook it adding little water, turmeric and salt.
Grind together coconut, chilly powder, cumin seeds,garlic and half of curry leaves using less water.
When the jackfruit pieces are cooked well,stir the ground ingredients and if you prefer to use tamarind paste then add into it Simmer for 5 minutes stirring occasionally.
Add the curry leaves and pour coconut oil over the top and cover the pot.
Remove from the fire and keep covered till serving.