Wash and soak chanas in water for 4 to 5hours.
Pressure cook chanas for 3 to 4 whistles. Keep aside.
Place the chopped jackfruit in a steel container and pressure cook for 3 whistles. The water should be in the pressure cooker and not in the steel container.
Open the pressure cooker after the pressure has released naturally.
You can mash the cooked jackfruit lightly, keeping some pieces chunky. Keep aside.
Heat coconut oil. Add the mustard seeds, hing, chopped garlic, curry leaves and chopped onion. Saute for few seconds.
Add turmeric powder and mix.
Next, add the cooked jackfruit and cooked chanas.
Add Mangalorean curry powder, tamarind pulp, salt and jaggery powder. Mix to coat well.
Cover and cook for 5 minutes until the flavours combine.
Next, add grated coconut and mix.
Cover and cook for 2 more minutes.
Garnish with chopped coriander.
Serve hot withdal rice or rice and tomato saar. It pairs well with rotis too.