Hey aspirant!

Both of the universities hold very good reputation in placements, campus infrastructure and faculty. 

But college Algappa Chettiar government college, Karaikudi holds better placement record than government engineering College,Tirunelveli. Also algappa Chettiar government college's teachers remain in touch for query solving and are quite supportive. 

But overall it depends on your personal performance and your will towards your course to have successfull placements.

For more queries, feel free to ask!

Best of luck!