The authors are most grateful to Department of Microbiology, Shri Guru Ram Rai Post Graduate College, and Dehradun (UK) for providing technical support and to K.P. Rathour (Mrs) for her valuable comments.
The authors are most grateful to Department ofMicrobiology, Shri Guru Ram Rai Post GraduateCollege, and Dehradun (UK) for providingtechnical support and to K.P. Rathour (Mrs) forher valuable comments.