Wrong operation led to long term nerve damage.

I had an operation of a cyst in 2015 and due to doctor negligence my nerve got damage and severe pain has started .I suffered it for 4-5 years with no proper doctor for it ,atlast i found one doctor who helped me but ,still this issue has not 100% cured and i have invested a lot of money on my treatment. My career and life has shattered due to that doctor wrong operation its been 8 years and i am still in pain.Let me know what can be done here.I would like to have a video consultation.