My father having problem on knees from last two years and just because of that he can't able to walk as well as he can't do movement also. He did the treatment also simply without knowledge he want to every doctor clinic but they gave the medicine till that time only PAIN was getting Skip and after completing the medicine again same problem getting start. Kindly suggest me the suitable doctor regarding this problem to whom which I can take my father to them and suggest the doctor in Surat.