Ali Yavar Jung National Institute for the Hearing Handicapped;
Southern Regional Centre;
Ministry of Social Justice and Empowerment;
Government of India;
Manovikasnagar;
Secunderabad;
Institute of Health Sciences (IHS);
Bhubaneshwar;
India;
People’s Education Society Institute of Medical Sciences and Research Centre;
Kuppam;
Chittoor;
India;
Oto-Acoustic; Emissions; (OAE); Organophosphate; (OP); Ototoxity; Cochlear; Changes;