can i give cerelac for my 4 months bay as if breast milk was not enough to fill his tummy

A. Weaning has three stages in which it can be started . stage 1 consists of introduction of liquids and solid food which shall be donhde at 5 to 6 months of age and needs to be started gradually step by step . stage 2 consists of more textured and new taste to baby by 7 months of age stage 3 in which a more variety of food can be started by 9-12 months of age...