Hello dear to put on weight is easy but to manage is quiye difficult all you need to do is modify lifestyle. .....eat healthy.....in breakfast eat a bioled egg with tea ..at noon take some fruits...in evening take 2 loaf brown bread with meat....at 5 o clock take tea n biscuits at night taje juice n fruits...Once or twice a week you can take coffee....d regular exercise for 30 min .....you need to scan your self for diabetis nd thyroid status bcz these oatients have weght gan initially. ....stay bkessed