Is The Height And Weight Growth Normal For A 6 Month Baby?

Hi...I have a 6 months completed son , he is so active ; Food digestion is fine; Urinary & stool also seems fine; No vomitting and alergy ; He intakes the food we provide without denying; All seems to ok for us; But only question he is not becoming fat, however he is growing up in vertical i would say...Right now he is @ 68 CMS & 8 and half KGS ...Is that ok....? and Normal one..