You are eligible to apply for GATE CSE but It depends on the college after clearing the entrance if they allow for M.tech CSE. But Generally the colleges allow IT student to apply for M.tech in CSE. To check the complete information about GATE you can go through with given below link.
GATE 2018
Good Luck!
Answer Key | Application | Eligibility | Exam Pattern | Admit Card | Preparation Tips | Books | Accepting Colleges
Regular exam updates, QnA, Predictors, College Applications & E-books now on your Mobile