give me some advice regarding how baby gain wait?

A. See for first six months to 1 year expected to be a minimum gain of 500 g child should be three times of the birth or 10 kg whatever is on the higher side should be by the age of 12 months and then 2 kg per year for that after the age of 9 to 10 months you can start with basic regular home-made food Roti sub and all and proper proteins and dairy products which is what is going to be good for weight gain