An orthopaedic surgeon at Delhi hospital has "applied" for Guinness World Record after performing on a hip-replacement-surgery on 105-year-old man. The doctor claims that his patient was "oldest person globally" to have undergone this clinical procedure. Dr Kaushal Kant Mishra, who heads orthopaedic department at Primus Hospital in central Delhi, performed the surgery recently and said that he has "already applied" for the world-record.