How to increase the baby weight and how to improve the knowledge

A. hi for healthy weight gain,offer starch rich food like boiled potatoes, sweet potatoes,rice to your child give energy dense fruits like apple banana papaya etc to your child. add dairy products like paneer curd ghee milk etc in your child diet. give Massage to your child daily to improve your child knowledge: spend quality time with your child play different games. offer age appropriate toys like building blocks, puzzles etc provide different exposures. offer homemade healthy and well blanaced diet keep your child well hydrated provide apt sun light at least 20 minutes a day maintain good hygiene