Yes,  it is worth joining ECE at VIT Chennai , VIT Chennai is a decent college for ECE branch as per the reviews given by the students. VIT has managed to achieve 100% placements with average package of around 6LPA. Microsoft offered 40.2LPA for 14 students which is the highest package.

For the genuine review you can go through with given link.

http://www.engineering.careers360.com/colleges/vit-university-chennai

Hope this helps !!