One of my friends is an alumnus of PEC Chandigarh. According to him, the Mechanical branch has good placement statistics. Here are a few highlights of the branch that may be helpful.
Lastly, if you have options to go for better NITs such as Allahabad, Bhopal, Raipur, etc. go for it. Many reputed PSUs visit the campus placements of these NITs and offer Design profiles.