I A COMPREHENSIVE STUDY OF THE BUDDHIST MONUMENTS AND ARCHAEOLOGICAL SITES OF LADAKH, JAMMU AND KASHMIR A THESIS SUBMITTED TO THE UNIVERSITY OF JAMMU FOR THE AWARD OF THE DEGREE OF DOCTOR OF PHILOSPHY IN BUDDHIST STUDIES by SONAM SPALZIN UNDER THE SUPERVISION OF PROF. RAM NANDAN SINGH DEPARTMENT OF BUDDHIST STUDIES FACULTY OF ARTS UNIVERSITY OF JAMMU JAMMU 2012