Both the colleges you have mentioned are private affiliated colleges under Anna University, Chennai . Saveetha Engineering college is NAAC A accredited which surely certifies the quality of education, the institute have been providing. So undoubtedly, SEC is much better compared to that of Panimallar Engineering College in terms of infrastructure. Now not only infrastructure, SEC have a better placements records as well in most of the course and overall average. So if you are wiling to go any for the two, I would recommend you to go for the SEC.

To know more about SEC visit the link below:

https://www.careers360.com/colleges/saveetha-engineering-college-chennai

To know more about Panimalar Engineering college, visit the link below:

https://www.careers360.com/colleges/panimalar-engineering-college-chennai

I hope this answer helps. All the very best for your future endeavors!