Hello sir Good morning Sir mera beta 23months k ho gya h lkin wo abhi tak kuch nhi bolta. wo kisi bhi baat ko dhayan hi nhi deta , mai awaz deti hu to bhi wo response nhi karta , lkin wo sunta h. use mummy papa bolna ata h lkin wo bolta nhi h, jab wo rhymes dekhta h to bht kuch bolta h lkin baat nhi karta h. please suggest me kaise use thik karu