These days many people suffer from mild-to-moderate hearing loss problem and hearing aids have become a practical solution for improving the problem of hearing. Cochlear implant system is designed for people who cannot are not able to benefit from hearing aids. It is an electronic device which stimulates the auditory nerve with electric signals which the brain can understand as sound. Cochlear implants are considered the only machinery available to functionally re-establish one of the five senses. In contrast to hearing aids, which intensify sound, these electronic devices bypass the damaged part of the inner so that person can hear it best. People who have cochlear implant are hear clearly in noisy environment, enjoy music and reconnect with friends and family.