There are several home remedies which can be included in your diet to gain weight.
1. Banana milkshake or banana with milk
2. Fruits like mangoes in summer with milk
3. Almond, dates and milk
4. Soak dry figs in water and eat two times in a day
5. Eating 30 grams of raisins everyday
6. Relax and keep your mind calm
7. Avoid strenuous work
8. Consume muskmelon daily
9. Exercises with dumbbells helps to improve muscle mass
10. Adding whole grains, cereals rich in proteins everyday in diet
11. Yoghurt, cheese and dry fruits
12. Eggs and meat also increase calories