Digital Preservation involves a systematic and sustained management of digital information, content, media, etc for a durable period. Digital Preservation requires a different outlook as compared to other traditional information. Invent of an updated and better version of the previous technologies is considered to be one of the main obstacles for preserving digital information. This is so because though we can still access the written heritage from several thousand years ago, yet the digital information created merely a decade ago is in serious danger of being lost forever. Digital Preservation in the contemporary Information and Communication Technology (ICT) Society is facing the following challenges in India:

(a) Physical deterioration: The digital contents and information may face physical deteriorated in the absence of proper care,

(b) Digital obsolescence: Digital information and its method of preservation may become obsolete with the passage of time,

(c) Refreshing: Refreshing is the transfer of data between two types of the same storage medium so that there are no changes of data. It is often accompanied with the process of “Migration” when the software or hardware required to read the data is no longer available or is unable to understand the format of the data,

(d) Migration: Migration is the transferring of digital information to newer, better and advanced system environments. This may include conversion of digital information from one format to another, from one operating system to another or from one programming language to another so the resource remains fully accessible and functional. This process involves the risk of compromising some functionality of digital information since newer formats may reject some of the functionalities of the original format, or the converter itself may be unable to interpret all the nuances of the original format,

(e) Replication: Creating duplicate copies of data on one or more systems for safety and back up purposes is known as replication. Replicated data may face difficulties regarding refreshing, migration, versioning, and access control since the data may be located at different places,

(f) Emulation: Emulation is the replicating of functionality of an obsolete system. The feasibility of emulation as a catch-all solution has been subject to much controversy and debate in the past,

(g) Metadata attachment: Metadata is data on a digital file that includes crucial information about the digital media. Metadata attached to digital files may be affected by file format obsolescence