title: What is indexing.
authors.affiliation: Department of Orthopaedics, UCMS and Guru Teg Bahadur, Hospital, New Delhi, India.
authors.forename: Ish Kumar
authors.initials: IK
authors.lastname: Dhammi
authors.affiliation: Department of Orthopaedics, UCMS and Guru Teg Bahadur, Hospital, New Delhi, India.
authors.forename: Rehan Ul
authors.initials: RU
authors.lastname: Haq