The physical security of the records is primarily dependent on the storage environment, handling, servicing of the materials and steps adopted to safeguard then against fire hazards, flood etc. The stack area of National Archives of India is located in the main and Annexe building and nature of records are categorized as Public Records, Cartographic records, Departmental records, Private papers, Oriental records. The records holdings in the National Archives run into 40 Kms. of shelf-space area and are in a regular series from the year 1748 onwards. The records are stored in ideal storage environment and round the clock operation of air-conditioning is provided to maintain the temperature and relative humidity within the optimum range that is suitable for the records.
The records which are in the form of files, books, volumes, rare manuscripts, maps, and treaties are stored as per archival standards in steel shelves, carton boxes, plyboards and compactor system. The stack area is provided with state of the art fire prevention and fire fighting system.