Wash chickpeas in a bowl and rinse it two to three times. Drain the water.
Take it in instant pot bowl. cover with water.
Put it in instant pot.
Select pressure cook mode, high pressure for 25 mins. Then select delay start and choose the time when it has to start cooking,
In my case i did all this at 11 in the night. So i selected 7 hours delay so it will be ready in the morning.
Make sure the position is in sealing.
Now leave it on its own.
When i came in the morning the chickpeas is beautifully cooked.