Circulation is the most popular service of any Library. ISI Library lent or issues the books to its users according to their entitlement. The Library has a provision of book reservations for its readers. Search the ISI WEB-PAC to locate materials in the library.

• Ground Floor
Reprography and Photography Unit
• 1st Floor
• Books [Computer Science, Library & Information Science, Economics, Statistics, Mathematics, Physics, Chemistry, Life Science, Anthropology, Engineering etc.)
• Reference Collection
• PC Mahalanobis Collection
• 2nd Floor
• Journals [Bound Volumes and Current Issues]
• Books [Psychology, Languages, Literatures and History]
• 3rd Floor
• Reports & Records, Census, Statistical data sources
• Russian Collection (Closed)
• Shewhart's Collection
• Statistical Workers' Circulating Library