Chetan Sadhan Institute was founded by Dr. N R Singh in the loving memories of his late son Chetan Sadhan in year 1998. As authorized center of Bihar University Distance Mode, IGNOU and Maulana Mazhrool Haq University, the institute is successfully providing training in Computers, IT, Management, Biotech, Journalism and also Full time engineering degree and diploma in Civil, Mechanical, ECE, Electrical and CSE to about 1000 students of Tirhut commissionaire.

     The institute is first in North Bihar to initiate job oriented Programme for youths of middle income group families. Institute also arranges free seminars for students time to time which provides them career counseling by experts from different fields. Keeping its social responsibilities the Institute in memories of late Chetan sadhan have established oxygen bank in the city along with sponsoring different social, culture and sports activities of north Bihar. Institute in association with Rotary club has provided free training to more than 300 students from different schools in job oriented computer courses. Despite lot of difficulties for different sort Institute has invested a lot in acquiring lab equipments and enriched its computer lab. Experienced quality teachers and modern facilities make it No.1 in the region and prestigious Dainik Jagran Bihar ke no. 1 award ratified the No. 1 status of the institute in North Bihar Institute operating under ‘Sri SAI Foundation’ is consistently moving forward on the progress path.

      Initiated more than a decade ago with the vision to empower individuals intellectually, enable them to develop their full potential by enhancing competencies, culture, and commitment, and contribute to the achievement of professional excellence' Chetan Sadhan Institute established itself as one of leading Professional Institution in Bihar. CSIST is renowned for the quality of its programs, interface with industry, and career oriented education. It derives strength from the availability of quality material in diverse areas, senior faculty, and industry experts. The various institutional alliances with IGNOU for Engineering Programmes , Bihar University Distance mode and Maulana Mazhrool Haq University for IT and Management, provides an opportunity to students especially from weaker socio-economic section to pursui a course they dream at their convenience.