my 8 month old baby boy weight is 6.1. what should I do to gain his weight

A. Namaste Mom As per the birth weight you can calculate a full term baby is expected to almost double their birth weight by the age of 4 to 6 months and by the age of 1 they triple babies this age can be given soft foods if they have been accepting semi solids and mashed foods well enough include foods such rice roti kichidi dals panner tofu ghee curds dalia sago idli dosa/chilla upma etc ragi porridge home made cerelac mix etc egg yolk fish and chicken if preferred