Chatterjee, Kausik, Sanatan Hazra, Soumyajit Maiti, Hanif Sikdar, Gita Pal, Debidas Ghosh, Dipak Kumar Bhuniya, Sanjay Kumar Kundu, and Souvik Goswami. 2014. “Profile of Hearing Impairment and Its Effect on Life Style of Sample Population in the Medinipur Sadar Subdivision, Paschim Medinipore District, West Bengal, India”. The International Journal of Science & Technoledge 2 (11). http://internationaljournalcorner.com/index.php/theijst/article/view/128195.