The institute has enjoyed great success over the last five years and, on 3 March, 2018, T. Thanbyah Christian Institute celebrated its inaugural graduation of 27 students.
On March 2, 2019, the second batch of 12 students completed their studies.
The 3rd Graduation was held on 7th March 2020, with 12 students getting their awards.
The 4th Graduation was held on 20th February 2021, with 18 students graduating