Hi, I have completed my BE from Mumbai University
My Profile is as follows
GRE:320 (V-157,Q-163)
AWA:4
Toefel-105
GPA-3.3

I have 3 years of experience in Fortune 500 company in the field of software development.
I am targeting some good universities like CMU,UPEN.
Can anyone tell me what are my chances to get in ?
(P.S I am planning to do some certifications in my field .will that help ?)
Thanks Everyone