Alumni Cell, IIM Sirmaur is a student-led nonprofit organization that serves as the official Alumni Association and Relations Committee for the Indian Institute of Management Sirmaur. Established in 2015, the organization is based in Paonta Sahib, Himachal Pradesh, and acts as a vital link between the institute's global alumni network, current students, and faculty. With a small team primarily composed of student volunteers, the Alumni Cell focuses on fostering lifelong connections and enhancing professional networking opportunities.

The Alumni Cell organizes various activities, including mentorship platforms like the "Reminiscence" series, which features guest lectures and industry visits. It maintains an alumni portal for knowledge sharing and career counseling, and hosts events to strengthen community ties. The organization collaborates with IIM Sirmaur's Media Cell to promote alumni stories and enhance the institute's visibility. Through these initiatives, the Alumni Cell supports IIM Sirmaur's mission of delivering high-quality management education and nurturing ethical business practices.