| 1950 | Inception of SIR THEAGARAYA COLLEGE (Intermediate Course with Groups I, II & III was started with affiliation to the University of Madras) | |
| 1954 | SIR THEAGARAYA COLLEGE turned into a first-grade college (B.A. Degree Programme with Groups: IB - Mathematics & IVB - Economics were introduced.) |
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| 1956 | B.A. Degree Programme in Group IV A - History was inducted |
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| 1957 | B.Sc., Degree in Zoology was introduced. | |
| 1965 | An Extra and resourceful arm was added in the name, Sir Theagaraya Evening College, a self-financing college, with an affiliation to the University of Madras. (Pre-University and Degree classes were started.) | |
| 1970 | B.Com., Degree Programme was introduced. | |
| 1971 | B.Sc. Degree Programme in Br.IV - Chemistry was introduced. | |
| 1979 | B.Sc. Degree Programme in Br. III - Physics and Br.V - Botany were added. | |
| 1980 | M.A. Economics was launched | |
| 1981 | M.A. History was added | |
| 1982 | Post-Graduate Programme in Zoology was started | |
| 1982 | Dept. of Zoology recorded a historic elevation, in getting recognition from the University of Madras for conducting Research studies leading to the award of Ph.D. degree a laudable hallmark. | |
| 1992 | B.Sc. Degree in Computer Science was introduced in the Evening College. | |
| 1998 | Bachelor of Computer Applications - (B.C.A.) was added to the Computer Science Dept. | |
| 2003 | The Department of Economics became a Research Department | |
| 2004 | M.Sc. - Microbiology and M.Sc.- Chemistry were added to the Evening College fold. |
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| 2005 | BBA - Degree was inducted into the Evening College stream. | |
| 2010 | B.Com.(CA) Degree was added to the Evening College stream. | |
| 2010 | The Department of Historical Studies was upgraded into a Research Department | |
| 2014 | B.Com. Degree (Accounting & Finance) was inducted into Shift II. | |
| 2018 | B.Com (CS) Degree was introduced in Shift-II. | |
| 2019 | M.Com & M.Sc. Computer Science courses are brought-in under self-finance stream |
