Professor, Department of Pharmacology, Adesh Medical College & Hospital, Kurukshetra, Haryana 136135, India. Professor, Department of Orthopaedics, Dayanand Medical College & Hospital, Ludhiana, Punjab 141001, India. Professor & Head, Department of Pharmacology, Adesh Medical College & Hospital, Kurukshetra, Haryana 136135, India. Assistant Professor, Department of Orthopaedics, Government Medical College, Patiala, Punjab 147001, India.