Prepare a 7-inch cake pan by greasing the bottom and the sides.
Mix all ingredients from part I in a large bowl and keep in warm place for 6-8 hours.
Make tempering by heating oil in a small pot. Add mustard seeds and once they start spluttering, turn the heat off, add sesame seeds and dried red chillies.
Add all the ingredients from Part II and the tempering to the dough. Mix well.
Add 1 cup of water to the Instant Pot insert.
Add baking soda to the batter and mix well. Pour the batter in the cake pan. Garnish with sesame seeds from part IV.
Cover the cake pan with aluminum foil. This will prevent from any steam/water from getting in the handvo.
Place the cake pan on the trivet, carefully put the trivet with the cake pan in the Instant pot.
Close Instant Pot lid with pressure value to sealing. Cook on Manual(Hi) for 30 mins followed by NPR.
Open Instant Pot and carefully take out the trivet with the handvo.