Hello Anurag,

IIIT Lucknow and IIIT Guwahati are both are good and new colleges . IIIT Luknow  has only IT branch but IIIT Giwahati has CS and ECE branch .The culture in IIIT Lucknow is very good as compared to Guwahati . It has good studies also .IIIT Lucknow should be the better choice because for a boy from UP .

I hope this helps you !