Hi dr.... My 21 old toddler still not saying mumma dadda only babbling baba yes I no n all .... how I should teach her to say mamma dadda ... she is too much naughty not listening what we r saying busy in playing n going out... please suggest me I m really worried ... if I tell her to bring something she is busy in her play not eating food ... I m showing her mobile n used to ate her dat also forceful... she bites her toys ... all time I don't understand y she like dat not going with any1 except me n my husband... if any 1 took also she cries ... she is not seeing others face ... sometimes she see .. but not all time ... if we tell us something sometimes she will repeat