The disastrous effects of Hearing loss on speech and language development can be minimized by early interventions. Profoundly deaf or hard of hearing children not benefitting enough from other kinds of hearing aids are referred for surgically implanted electronic cochlear implant that provides a sense of sound or comprehension of speech. Evaluation and management of pediatric patients is performed by cochlear implant team which consists of different specialists and doctors. Selecting children for the implant surgery is performed based on the certain criteria suggested by Staller et. al. in 1991. All the patients undergo comprehensive medical and Audiological evaluations before the surgery.In this article we will review different process of cochlear implant surgery and pre- surgery Audio logical evaluations in brief.