law: Information Technology Act, 2000
  7. Retention of electronic records.- 
  (1) Where any law provides that documents,
  
  records or information shall be retained for any specific period, the, that
  
  requirement shall be deemed to have been satisfied if such documents, records
  
  or information are retained in the electronic form, if-
  (a) the manner and
  
  format therein remains accessible so as to be usable for a subsequent
  
  reference;
  (b) the electronic
  
  record is retained in the format in which it was originally generated, sent or
  
  received or in a format which can be demonstrated to represent accurately the
  
  information originally generated, sent or received;
  (c) the details which
  
  will facilitate the identification of the origin, destination, date and time of
  
  dispatch or receipt of such electronic record: