Hello, my son is 4 years 4 months old , weight is 13 .4 ,what can I do for weight gain, he is premature baby ,born in 7 months

A. dear mum, weight of 13.4 kg is fine for 4 years 4 months old baby boy. For healthy weight gain and growth, give homemade balanced diet having variety of food groups. Child's daily diet should have: pulses legumes/egg non veg: 1-2 servings seasonal vegetables including green leafy vegetables: 1.5 serving fruits - 1 serving milk and milk products 500ml sugar 4 tsp oil 5 tsp control intake of processed and packaged foods.