Department of Botany was established in 1964 initially with pre University course and gradually with three- year degree programme of B.Sc Botany with Chemistry and Zoology as the subsidiaries. The department had 6 teaching faculty and 3 nonteaching staff. Sr. Bambina was the founder head of the department and currently Dr. Jelly Louis C is the Head of Department of Botany. Pre-degree was detached from the college and currently has 4 teaching faculty and 2 non teaching staff. Biotechnology is the specialization paper of B.Sc degree programme. An Open Course in Tissue culture is also being conducting by the department. Altogether 43 batches have been awarded the B.Sc. Degree with Botany.
The department is maintaining a good Library with more than 500 books and Journals. A digital Library is also being maintained in the department. The department is conducting many outreach activities like seed distribution, giving awareness about pesticide free vegetable cultivation etc with help of Botany Association. The department is maintaining a herbarium which contains extensive collection of more than 500 typical Angiosperms and all other plant groups found naturally in Kerala. More than 800 Botanical specimens including whole plants, fruits and seeds are preserved in the Museum. The department is maintaining a beautiful Botanic Garden in the heart of college campus which is a living museum of many rare flowering and medicinal plants. The Botany laboratory provides plant identification services, soil analysis and laboratory assistance to the nearby school students and the local people.