Wash the bottle gourd and peel it. Chop into small cubes. Keep them in cold water to avoid the darkening.
Chop small onion, Thai green chili, and keep them aside.
On saute mode heat the oil and add mustard seeds, cumin seeds wait until they splutter.
Add the green chili, onion, curry leaves, asafoetida (Hing) saute for a few seconds. Then add bottle gourd cubes, turmeric, coriander powder, salt, and mix well. Turn off saute mode.
Place a trivet and keep a rice bowl on the trivet. Close the lid and set the instant pot on MANUAL or PRESSURE COOK for 8 min.
When count down is done, quick release and remove the pot which is on top. Add milk and let it rest for 5 -10 minutes on warm mode. Serve it with roti or rice.