I understand your concerns. Baby’s weight seems to be adequate for age. There should be proper breast feeding technique. If the baby drinks only the foremilk and not the hind milk(contains more of fat ,which is present at the last stages of each breastfeeding,infants satiety wouldn’t be attained. In western countries, people start weaning after 4 months of age. According to Indian standards breast feeding for 6 months is adviced. Look for any other reasons for crying like wet diapers, rashes , and many others.
Health Tips
Use iap growth charts available in iOS and Android