Thanks for posting query.
Follow some suggestion for weight gaining-
1. Eat adequate high calorie food powered with carbohydrate
, protein and fat.
2. Time schedule of eating-eat 2-4 hourly, Moreover, start eating 15 minutes after you wake up Have a big breakfast. Eat paranthas with yoghurt, fruits, a glass of milk or even a big cheese and egg sandwich. However, in this eating frenzy, don’t forget to keep yourself hydrated. Drink water too.
3. Eat plenty-A small plate, bowl and glass are meant for small eaters
Dr Sourav Ganguly.