1. Chop the vegetables into small rounds.
2. In a pressure cooker add water and the vegetables. Add the pepper corns.
3. Cover and wait for a whistle.
4. Switch flame to low and let it cook for 5minutes.
5. Switch off flame and let the cooker cool.
6. Strain the liquid and discard the pulp.
7. Add it according to the recipe. You can also store it in fridge for 3 days.