TY - BOOK AU - Bandyopadhyay Bidisha Au. AU - Prof. T. R. Seshadri Gu. AU - University of Delhi. Faculty of Inter Disciplinary and Applied Sciences. Department of Physical Education and Sports Sciences ED - University of Delhi. Faculty of Inter Disciplinary and Applied Sciences. Department of Physical Education and Sports Sciences TI - Possible observational signatures and the effect of some exotic sources on cosmic reionization PY - 2017/// KW - PHYSICAL EDUCATION ER -