Hey, in order to guide you and provide you a customised plan I would need a detailed information about your lifestyle your eating habits and food options available to you. PCOS can be due to various reasons due to Lifestyle. We need to discuss and find the things which are the reason behind this so that I can help you more efficiently.
Next Steps
if you want to have a detailed plan you can consult me online through Practo.
Health Tips
some helpful tips are having overnight socked fenugreek seeds water in the morning. next what you can do is have some healthy snacking options with you for example roasted makhanas right and also you can have fresh coconut water as a snack for a mid day meal if available to you near your hostel