Disability is the physical, social, cognitive and mental condition that impairs a person ability to perform the tasks in their daily life. It can pre-natal, natal and post-natal. Prenatal means before birth and it can be caused due to drugs, alcohol, stress, improper diet, accidents etc. Natal means during the birth time this mainly happens due to the mistakes during the delivery time. Post natal means after the birth and this happen due to accidents, genetic disorder etc.