my baby is 2 month 12 days old. his weight is 3.5kg its low. what should i eat to his weight gain

A. Hello mom as per the birth weight monthly gain is expected between the range of 300 gm to 1 kg and by the age of 4 to 6 months they double their birth weight. Certain foods help to enhance the milk production such as garlic, flax seeds, oats , dry fruits , milk, drum stick leaves , fenugreek leaves , jeera or ajwain or saunf water ,