Respected sir,my wife have been suffering from knee problems for last 3 years,she getting difficult to stand 10 minutes,also feels stiff knee & full course glucosamine has been taken by her as advised by Dr.Jhunjunwala,Hon. Dr. at Bombay Hospital,Mumbai but in vain.Now we consult Dr.Saurabh Goyal of Ahamdabad.He examine and advised (1)Ser Vit D3& (2) Ser Vit B12.Test report as follow; VitD3 is 25.3 & VitB12 is 239.0 After see, Dr.Saurabh Goyal has advised Inj. Vitcofol2ccdeep 1M every 3/4 day total 10 injection with a 22g needle. & Inj Arachitol 6Lakhs units 1M once every week,total 5 injection. Kindly advise what should we do?