Md. Nazrul Islam5, *Sanjay Ray Yadav1, A.K Sinha2, Birendra Yadav3, Nishu Yadav4, 1Research Scholar, Singhania University, Jhunjhunu, Rajasthan, India. 2Department of Biochemistry, Birat Hospital and Research Centre, Biratnagar, Nepal. 3Department of Anatomy, Nobel Medical College, Biratnagar, Nepal. 4Department of Microbiology, Nobel Medical College, Biratnagar, Nepal. 5Department of Physiology, Chitwan Medical College, Bharatpur, Nepal., India