For thos who is struggling for gaining weight.
I too struggled a lot to gain weight.
Follow this diet chart and hopefully it will work for you too.
By following same diet one may easily gain weight
2 banana+ 2 almonds +4 cashews+ 1 glass of milk (mix all together in a blender)
And eat 1 apple with 1 glass of banana shake .
After 3 hours
4 chapati and curd
Rice+ pulse+ vegetable
Sandwich/ paratha/ fries/ chilla or any other item you like with 1cup of coffee/tea/milk/ fruit juice
4-5 chapati with vegetable/ egg curry/ chicken or any other item you like.