Firstly Peel and dice the potatoes into ¾ -1 inch cubes. I used Yukun gold potatoes about 400 grams.
Press SAUTE on Instant Pot. Add oil, Once hot, add mustard seeds, cumin, urad dal, chana dal, and saute it till dals become light brown.
Then add green chilies, curry leaves, ginger, asafetida and saute it for 30 secs.
Now add onion, turmeric powder, salt and saute it for 2-3 minutes or till onions turn light brown.
Add diced potatoes and along with ⅓ cup of water. Deglaze the pot i.e., Make sure to scrap any spice if sticking to the pot to avoid BURN alert.
Close the Instant Pot with pressure valve to Sealing. Cook on High Pressure for 4 minutes.
When the instant pot beeps, Do a QUICK RELEASE (QR).
Remove lid away from you, sprinkle coriander leaves and lemon juice, Mix well.
You can also roughly mash using potato masher according to your preference.
Potato (Aloo) Masala curry is ready, serve with hot with Dosa, Poori, chapatis, & parathas.