my son can't speak properly. only 2-3 words speak properly like mummm,Nani dadi, Mummy please give me some tips

A. to improve speech -read different books to the childx -talk to the child daily routine like the child understands you with regular eye contact -singing songs and rhymes -while talking repeat what your child says with right pronunciatioxn and do not criticize the child -avoid screen time(tv mobile laptop). leave permit the child to watch the activities that allow to improve his language -take your child outside (open environment) and have a talk with the child regarding the things around the child -introduce new words gradually for proper understanding -speak about things child is interested in.