Hi Rakesh
Yes, you can appear in GATE as there is no age limit for the exam. The application form for GATE has been closed for this year and the exam is scheduled to be conducted on February 3, 4, 10, 11. You can know all the details related to GATE from the links given below.
https://engineering.careers360.com/articles/gate-2018
https://engineering.careers360.com/articles/gate-eligibility-criteria
All the best and salute to your spirit!
Regular exam updates, QnA, Predictors, College Applications & E-books now on your Mobile