The alumni association of IIET is named as BIGGIES. The BIGGIES IIET Alumni Association is registered under Section 12 of The Travancore Cochin Literary and Scientific and Charitable Societies Registration act 1955, Government of Kerala. Established in 2021, BIGGIES IIET Alumni Association creates and maintains a life-long connection between the college and its alumni. The students who completed B. Tech and M. Tech courses from IIET are the members of this alumni association. All the members of alumni constitute the general body of alumni association. It is governed by the executive council appointed by the general body. Executive council consists of 10 members including President, Vice President, Secretary, Joint Secretary and Treasurer. Principal of IIET is the Ex-officio President of the association. The college hosts annual meetings regularly which comprise of a formal session followed by entertainment programs and dinner.
IIET alumni association extends support in various avenues by offering technical talks in their respective domains of expertise and conducting interactive sessions with our students. Also, the alumni supported the college in finding job placement for final year students and for giving group discussion training etc. Some alumni referred their junior students for getting placed in their companies. Visits of the alumni to the campus and interaction with present students are encouraged by the college. In order to motivate current students and facilitate a sense of pride in the university, alumni associations regularly take part in outreach initiatives, sharing the accomplishments and success stories of their members.National / International Seminars and Conferences / College Day, IIET Graduation Day, etc. are occasions where the presence of the alumni is solicited. Continuous relationship with the alumni is maintained through social media groups.