"The injury to my right-knee has aggravated once again. The MCL (medial collateral ligament) tear requires a surgery. I will be flying off to South Africa to get it operated later this month," the 30-year-old Yogeshwar said.
The World Championships will be held in Budapest, Hungary from September 16. Yogeshwar had got the same knee operated in 2009.
"All was going well. I was hoping for a return in that tournament. Around 15 days back that the injury flared up again and I had to consult my doctors. They suggested me to go for a surgery again," Yogeshwar said.
The injury could keep the Haryana grappler out of action for nearly six months.
"It is disappointing to miss out on World Championships. It's the second biggest event after the Olympics. I have informed the federation about my injury and they were supportive," the Padma Shri awardee said.
"I am continuing with my strengthening exercises. I am avoiding any stress on the leg muscles as it could worsen the injury," he added.


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