The preservation and conservation of traditional manuscripts is an age old practice. But for the past two decades or so, preserving the endangered manuscripts through digitization has become the prime concern of governments so that such manuscripts can be kept safely for future generations as manuscripts are considered to be an important asset to know our culture and tradition better. The present study primarily highlights the conservation and archival policies adopted by the British Library to digitize the ancient manuscripts of the North-Eastern states of India. The analysis highlights that the state such as Mizoram, Sikkim, Assam and Arunachal Pradesh had adopted projects and have digitized the manuscripts as per their convenience and timeframe concern. The basic purpose of the study is to highlight about the serious concern of the preservation of these heritages as it can be noticed that they are at extinct stage as the future generation would heard only in form of stories. In addition, the study also analyses the quantitative and qualitative aspects of the manuscripts preservation policy of these North-Eastern states by the British Library.