This is the report of my father..I m from Odisha.He has problem about carotid artery blockage and also there are some spot of damage(don\\\\\\\’t know the medical term)in brain..He got paralysis attack on left side on September 2017.but due to immediate medication he is fine now.He has facing slight vision problem,getting irritated most of the time,sometime forget what he or other people said.I   had consulted with numbers of doctor from odisha.but can\\\\\\\’t decide what to do.some doctors suggest for surgery and some not for risk at the time of surgery.I m feeling helpless now..so please kindly help me regarding this like 1-what percentage of risk at the time of surgery. 2-what type of operation is prefered or any medication for that. 3-The hospital where operation can be performed safely. 4-whats the dietary should be followed. 5-whats the cost for the surgery.