As per reports, Salman was supposed to fly to the US by the end of this month.
He underwent the surgery in US in September 2011.
Brother Sohail Khan aid: "He will be going for a treatment soon but the date has not been fixed. It's a two years treatment with four visits and he has to go there every six to eight months for treatment. Date is not yet fixed... he will be going sometime in February or March."