which colleges should I apply for 80% range in cat ,i have 2 years of work exp. ?

There are umpteen number of colleges you could opt for - GLIM, IMT Ghaziabad, TAPMI, KJ Somaiya, FORE, IMI, Welingkar, LIBA, BIM Trichy and GIM. Few of these colleges are really good. They might consider you based on your profile, despite your percentile range.

If possible focus on OMETS