The percentage of national adoptions should be 50% for children aged 0 to 6 years old. This percentage does not apply to children older than 6, to groups of siblings, to handicapped children or to children with special needs. These children can be immediately assigned in international adoption.
The Indian Government gives importance to this type of adoptions. Families can check the characteristics of special needs this link.
Their relatives directly renounce to them
They are abandoned somewhere
They are found in the street