1970 » The College was founded as De La Salle College by the late Most Rev. Dr Justin Diraviam, Archbishop of Madurai Diocese with Pre University course and UG Courses in Economics and Philosophy.

1971 » B.Sc. Mathematics was introduced.

1972 » Renamed as Arul Anandar College, it became a Jesuit institution.

1973 » Undergraduate Courses in Rural Development Science.

1975 » Bharat Ratna and Nobel Laureate St Teresa of Kolkata, founder of the Missionaries of Charity graced the campus.

1979 » B.Sc. Chemistry was introduced.

1980 » B.A. History and M.Sc. RDS was introduced.

1984 » M.A. Economics was introduced.

1986 » M.A. Philosophy was introduced.

1987 » AAC becomes an autonomous college and the Alumni Association was inaugurated.

1988 » B.Sc. Physics was introduced.

1989 » M.Phil. Economics was introduced.

1995 » The Parent-Teacher Association began.

1999 » Self-financed Courses in MCA and B.Com with Computer Applications were started.

2000 » Computer Literacy programme was initiated – Dept. of R.D.S. becomes a Research Centre.

2001 » Dept. of Economics becomes a Research Centre – The college becomes co-educational – AAC accredited by NAAC with FIVE STARS.

2003 » B.B.A. and B.Sc. Info. Tech. & Mgmt. were introduced – Choice Based Credit System – UG (Aided) courses.

2004 » B.Sc. Physical Education and B.Sc. Mathematics (SF) were introduced – Internal Quality Assurance Cell was introduced.

2005 » M.Sc. Mathematics (SF) and M.Sc. Physics (SF) were introduced – Career Oriented Courses (COCs) were introduced.

2008 » NAAC Reaccreditation – 'A' grade – (CGPA of 3.52). Revised CBCS in all UG and PG courses.

2009 » Women Studies Centre was established – "Awards of Excellence" for Staff and Students – Britto Publishing House started – State Level Fr Montaud Hockey Tournaments – State Level Fr Prince Football Tournaments.

2011 » B.A. English Literature was introduced.

2012 » B.Sc. Food Science & Technology was introduced – Bridge Course in English for UG first year students – Restructured Choice Based Credit System – Dept. of Physics becomes a Research Centre.

2014 » NAAC Reaccreditation – 'A' grade (CGPA of 3.66).

2016 » DST FIST Awarded.

2017 » B.A. Tamil and M.Sc. Chemistry were introduced.

2018 » 9 Additional COC courses were introduced.

2019 » M.A. English Literature and Outcome Based Education (OBE) were introduced.

2020 » OBE introduced for PG Courses.