Confuse Regarding Minimum Grades

I am really confused. I don’t know wheather my grades (Indian CGPA, unlike of US GPAs) are good enough for NYU Polytechnic school. Is their any way, through which i can convert my CGPA to GPA, or atleast get some idea, what will be my GPA. Further, What is the minimum Indian percentage for getting an admission in NYUPoly. Please, any help.