Add chicken, potatoes, mixed vegetables, and 3 cup water to a cooker or pot.
Tear the bay leaf to pieces and break the cinnamon. Add them along with pepper corn.
Pressure cook for 3 whistles or boil until the chicken is tender & falls off the bone.
Set the chicken aside. Shred the meat and discard the bones.
Heat a deep pan with oil, sauté ginger and garlic for a minute.
Add carrots and sweet corn fry for a min.
Strain the chicken stock to the pan and boil for a while until the corn and carrots are tender.
Add salt and the shredded chicken. Turn off.
Cool down the chicken soup a bit then squeeze in the lemon juice and add more pepper powder.
Serve chicken soup warm. You can also add some boiled noodles to this.