You can give fresh fruits, green veggies, nuts oats, curd, rice, etc. They are helpful for immunity.

Thanks everyone for Your suggestions. I will definitely try IMMUNO BOOSTERS BY CIPLA. for my kid.

i will suggest you to give Immuno booster by Cipla. it is a chocolate bite which has many vitamins like vitamin d and all other essential nutrients. i have tried it and seen the difference.