my child is 3 month old, her birth weight is 2.7 kg now she is 4 kg. Is there any problem. she is very active and have meeting all the milestones of 3 month.

A. It is only 1300 g so if I look at the minimum weight gain this is completely decent but if it was better than Dad and this is going to be much better but currently as per 400 g per month this is an ideal weight gain that your child is having