The following result is obtained by Internet Research Algorithm: As you are talking about the hostel, so instead of providing a typical and strict diet plan, we will give open and general instructions which will help you the most. For weight loss, you can work on these following points- 1. Avoid sugary drinks. 2. Drink green tea. 3. Avoid the use of unhealthy food. 4. Drink more water. 5. Eat less but more often. 6. Once a week, break your diet deliberately. 7. Get rid of stress. 8. Get plenty of sleep. 9. Exercise daily, start with warm ups and walking.