Make idli batter according to package instructions using the yogurt.
Spread a little ghee in each of your idli molds to prevent sticking. Fill molds with batter being careful that they don't overflow.
Place the idli stand inside the inner pot of your Instant Pot. Place the lid. Put the floating valve to VENTING. Press the STEAM button. Set the time for 5 minutes on High. As soon as the time gets over. Remove the lid. Take out the mold carefully. Remove the mold plates. Let idli sit in the mold for about 2 minutes. Then unmold these carefully.
Chop the zucchini into half moons.
Make sambar according to package instructions adding in the zucchini to cook
Serve idlis with a bowl of the sambar and melted ghee/podi on the side.
