Email ID                                                Query 
libraryservices@iitbhu.ac.in      - Any type of query
office.lib@iitbhu.ac.in                - Related to all administrative and official
circulation.lib@iitbhu.ac.in        - Circulation related issues like Lost Books, Replacement of Books, Registration, Over dues charges, No Dues, Renewal of Registration, etc.
periodical.lib@iitbhu.ac.in         - Periodical related issues like Online article access, Subscription, Download articles Request for Article, etc.
aquisition.lib@iitbhu.ac.in         - Acquisition of books, Lost of Books, Replacement of Books, etc.