In a pyrex pitcher or a small bowl add yogurt and whip it for 20-30 seconds then set aside.
In an Instant Pot, on 'saute' mode. Add oil and let it heat up.
Now add onion, saute them until it gets brown.
Add ginger garlic paste and mix well for 5-10 seconds.
Next add meat (mutton) and saute the meat for 3-4 minutes or until it changes its color from pink to brown.
Now add powdered and whole spices and mix well for 30-40 seconds or until its well mixed
Next add the whipped yogurt and mix well!
Place the green pepper and mix well!
Now add water and mix well.
Next seal the Instant Pot, press 'Pressure' for 18 minutes or until the meat is 90-95% done.
Vent out the steam and open the Instant Pot.
Give it a mix.
Now add in the cut potatoes give it a quick mix.
Next seal the Instant Pot, press 'Pressure' for 3 minutes or until the potatoes and meat are fully cooked.
Vent out the steam and open the Instant Pot.
Turn off the Instant Pot.
Squeeze some fresh lemon juice on Aloo gosht.
Garnish with cilantro.
Serve it hot with a hot Chapati.