Metro rail pass form Pudong International Airport to East Xujing for 5 days

I am an indian, coming to Shanghai on 5th and going back to india on 9th..
I am here to see the exhibition, so travel every day on line no 2 (Green Line).
Is metro train fair cheaper or a 5 days pass is cheaper, please suggest?
what will be cost of 5 days metro pass.?