Combine dal, jackfruit seeds with a cup of water, 1/2 tsp turmeric powder, chilli powder and salt in a pressure cooker. Pressure cook for three whistles on high. Switch off and allow pressure to go completely.
Grind the "for grinding" ingredients together to make a paste. Set aside.
In a chatti (earther pot), put the chopped drumstick along with a cup of water and remaining turmeric powder. Bring to boil and allow to cool till almost done.
Put in the cooked dal-seeds mix and give a good stir. Simmer for a few minutes.
Add in the ground paste and mix well. Simmer for a coupe of minutes. Switch off.
Heat oil in a little saucepan. Splutter the mustard seeds, fry the dry chillies and curry leaves for a few seconds. Pour into the curry. Enjoy hot with rice!