Don Bosco Tharangam through its Polytechnic College offers higher technical education to the coastal and rural poor youth, teaching them skills for a sustainable livelihood and empowering them with life coping skills so that, as they develop themselves they will also work for the development of the society.

Don Bosco Tharangam envisages transformation of the society by the marginalized youth providing technical education and livelihood initiatives and creating social consciousness. Don Bosco Tharangam is a catalyst organization dedicated to serve the marginalized children towards total literacy, self-awareness, social consciousness and thereby to live a dignified human life.

The center came into existence after the natural disaster Tsunami which affected the east coast of India on 26th December 2004. The district of Nagapattinam, Tamil Nadu was most affected by it, causing 6,065 deaths. The Salesians with the lay staff from Don Bosco Anbu lllam, Salem and Don Bosco ITI, Madurai came to the aid of the people in Nagapattinam area.In the year 2014 new department of Electricals and Electronic Engineering and an extension of department of Mechanical were obtained to meet the demands and cater to more youth of the area. In the year 2015 department of computer science was closed down due to lack of admission