Most common causes of low height r malnutrition n constitutional(familial)....give him nutritious food n consult a pediatrician to rule out any treatable cause

Now baby is only one year, if he/she is active, so not to worry just continue motherhood.

Hi..height depends on Genetic social and environmental factors. Consult local pediatric Endocrinologist..will assess whether that is normal ..or not.. may be familial short stature or short because of endocrine problems...

His thyroid and urine need to be checked

Dear parents ,    A child born with height of 50cm gain at 1st year of life 75cms height. According to me give your kid following diet, stop milk from 8amto8pm and give semisolid diet like Dal,dalia,khicdi alu kela rice,apple,upama,halwa,patolia,rab,kadi idle poha satu custard etc and from 80pmto8am give mother milk is preferable if not give top milk Withoutwater and add sugar as per your taste.