Neck pain is commonly prevalent chronic disorder with increasing economic burden to the society. A functional contributing factor to chronic mechanical neck pain may be the altered motor function of the cervical spine and its related micro and macro damage. The restoration of muscle functions therefore becomes an integral part of neck pain treatment. Existing literature inform us about measures to restore length and strength of superficial neck flexors. Using pressure biofeedback as measurement and therapeutic tool for muscle training is a novel and objective method. So far, fewer studies are comparing the deep cervical flexor training with and without pressure biofeedback. This study was designed with aim to determine the effects of Cranio cervical flexion training with and without pressure biofeedback on neck pain and DNF endurance.