- Here, age wise child’s social behaviours are given, which indicates the
deficits in child normal development. - No big smiles or other warm, joyful expressions or eye contact by 6
months or thereafter. - No back-and-forth sharing of sounds, smiles, or other facial expressions
by 9 months or thereafter. - No babbling by 12 months.
- No back-and-forth gestures, such as pointing, showing, reaching, or
waving by 12 months. - No words by 16 months.
- No two-word meaningful phrases (without imitating or repeating) by 24
months. - Any loss of speech or social skills at any age or abnormal repetitive
behaviour or lack of attachment with parents & other people