Information about my chances of getting a good school for doing PhD in Computational Materials Science

[Indraroop]

Hi i am Indraroop Ghosh Dastidar.

I am currently pursuing final yr B-Tech in Metallurgy and Materials Engineering from NIT Durgapur.

I want to do my PhD in Computatonal Materials Science from a reputed US university.

I want to know what is the GRE score I need for this thing. My profile is given below

obtained 82% in my class 10 board examination

obtained 76% in my class 12 borad examination

having a CGPA of 8.4/10 after 6 semesters,currently holding 7th position in my department

did a summer internship on "Strengthening of Austenitic Steel Matrix composites through mechanical working" in summer 2010 at IIT Kharagpur.

undergoing a summer internship on "Strengthening of Austenitic Steel Matrix composites through Heat treatment and Mechanical Working" at IIT Kharagpur.

did a vacational training at the "Durgapur Steel Plant:" under SAIL in summer 2011.

qualified GATE in 2011 with an All India Rank of 360.

Secured a percentile of 98 in AIEEE 2008.