Hearing Impairments means persons having 70DB hearing loss in speech frequencies in both ears.Hard of hearing means person's Hearing having 60DBto70DB hearing loss in speech frequencies in both ears.

Intellectual disability is a condition characterized by significant limitations both in intellectual functioning and in adaptive behaviour which covers a range of every day,social and practical skills.

Cerebral palsy means a group of non progressive neurological condition affecting body movements and muscles coordination,caused by damage to one,or more specific areas of the brain.

Autism spectrum disorders means a neuro developmental condition typically appearing in the first three years of life that significantly affects a person's ability to communicate, understand relationships and relate to others,and is frequently associated with unusual or stereotypical rituals or behaviors.