Dyslexia is defined, by The World Federation of Neurology as: "A disorder manifested by difficulty in learning to read despite conventional instruction, adequate intelligence, and sociocultural opportunity. it is dependent upon fundamental cognitive differences"  -- concerned with acquisition of knowledge relating to process of acquiring knowledge by the use of reasoning, intuition, or perception, or basically relating to thought process- WHICH ARE FREQUENTLY OF CONSTITUTIONAL ORIGIN’. It is estimated that 5% of the population is affected by dyslexia and another 15% by other learning differences (LD). Children generally do not get the proper remediation because of lack of information with school teachers, parents, psychologists and other professionals.