My baby's still not walking, what must be the reason?

A. Hello good morning !! Babies walk around 9-11 months ,but few take 13+ months. If the baby is standing and walking with support then no need to worry. Include calcium rich, protein foods for muscle and bones strength - Banana,dal rice or kichdi ,curd rice,paneer,tofu ,cerelac,ragi ,jowar, makhana seeds powder or makhana in kheer, sesame seeds.