Georgia Tech CS [$24.960 - $125,000]

Stanford CS [$10,250 - $175,000]

IIT (Kanpur) [upper bound: $210,000]

[1] https://www.adors.gatech.edu/cfcampus/adors/commencement/salary_report_result.cfm?college=2&level=1&surveyid=77&Submit=Submit

[2] http://studentaffairs.stanford.edu/cdc/jobs/salary-grads

[3] http://ibnlive.in.com/news/no-slowdown-at-placements-iitk-students-bag-210000-pay-package/437865-3-242.html

I'm curious what is the reason behind such an upper bound in the IIT salaries? Aren't there equally intelligent students at Stanford, Georgia Tech, other colleges in the US?