The Operational Research Society of India was founded in 1957 to provide a forum for the Operational Research Scientists to widen their horizon by exchange of knowledge and application of techniques from outside the country. The Society is affiliated to the International Federation of Operational Research Societies (IFORS) and its sister organization Asia Pacific Operational Research Societies (APORS). ORSI is sole authorized representative of IFORS and APORS in India.

 ORSI has sixteen operating chapters located in:

  1. Agra
  2. Ahmedabad
  3. Ajmer
  4. Aligarh
  5. Bangalore
  6. Bhubaneswar
  7. Chennai
  8. Delhi
  9. Durgapur
  10. Jamshedpur
  11. Kochi
  12. Kolkata
  13. Madurai
  14. Meerut
  15. Mumbai
  16. Tirupati

The Society is devoted to promotion and propagation of knowledge in Operational Research. ORSI publishes a quarterly journal OPSEARCH, which brings out high quality and state of the art papers in Operational Research. Since 1973 it also conducts an examination on Graduate Diploma in Operational Research to provide opportunities to professional and students to equip themselves with knowledge of Operations Research.

ORSI is a non-profit making educational institution. Contribution to the Society towards attainment of these objectives is eligible for exemption of income tax under Section 80(G)(5)(vi) of the Income Tax Act 1961.