While you can get the paani for it from your favourite shop, try and make the puris or puchkas at home, and control the amount of oil, or you can air fry or bake them.
Reduce the quantity of potatoes in pani puri or replace with something healthy like mashed chickpeas, pomegranates, or sweet potatoes to make pani puri healthier
Spices and condiments including tamarind, mint, asafoetida, fennel, and cumin are great for the gut. Good gut health can help you lose weight faster.