if baby is under weight wt to do

Question

Accepted Answer

for healthy weight  child should be having a balanced diet having all the food groups

childs daily diet  should have:

cereals starch  like rice wheat corn , sago, Limited amount of bread

at least 2 serving of good protein like pulses beans egg soya , milk and Milk products, fish chicken, meat

variety of seasonal fruits and vegetables and green leafy vegetables
energy dense fruits and vegetables like banana , custard apple, Chiku,  sweet potato more frequently

Nuts like almond ,dry fruits, peanuts.
at least half litre full fat milk which also includes milk products like so 1-2 glasses milk and rest as paneer or cheese or curd.

add ghee on top of food to provide more energy

avoid fruit juices and thin soup as they fill up the stomach and provide less nutritionl

don't be tempted to provide energy rich but unhealthy foods like sweet chocolate cake sugary juices avoid intake of junk and packet foods

encourage child to eat variety of food and finish all that is served on plate , picky children are less likely to have optimal health

Children have smaller stomachs than adults and need to eat smaller amounts more frequently. 
4-5 meals a day with 2 smaller snacks at regular intervals is good.