Your pain could be due to bad posture. There is a mild swelling in the neck region. You should consult a Physiotherapist for complete assessment and treatment.

Pain due to early stage of cervical spondylosis . avoid using high pillows. Avoid continuously foreard bending neck .use proper cervical pillow.

Hot water fermentation twice a day will be helpfull, this caused you due to improper posture. For treatment you may visit nearest physiotherapy centre and with electrotherapy and heat it can be cured. Maintain proper posture and avoid head bending forward / backward.

This is called a neck hump. This is usually because of bad posture. Sometimes there is also a fat deposit which gives a appearance of elevation. The last bone in our neck C7 vertebrae has the largest spinous process which when mal aligned gives appearance of a bony elevation. Pain in neck is indication of weak muscles and also mal alignment of neck. 

Pls get your cervical xray to rule out cervical Spondylosis. Next start with mild neck exercises. Keep a towel rolled under your neck and sleep