Yes, you can apply for a GATE CSE exam center in a different city than your mailing address.

Applying for a different exam center in GATE CSE is possible and can be done easily. Here's how you can do it:

Step 1: Visit the official GATE website
Go to the official website of GATE (Graduate Aptitude Test in Engineering) which is conducted by the Indian Institute of Technology (IIT). The website is gate.iitm.ac.in.

Step 2: Register/Login
If you are a first-time user, you need to register on the website with your email ID and create a password. If you have already registered, simply log in using your credentials.

Step 3: Fill out the application form
Once you have logged in, you need to fill out the GATE application form. Provide all the necessary personal details such as your name, contact information, and mailing address.

Step 4: Select your preferred exam center
In the application form, you will find a section where you can choose your preferred exam center. Here, you can select a different city from your mailing address as your exam center.

Step 5: Pay the application fee
After selecting the exam center, you need to pay the application fee. The fee can be paid online through various payment methods such as credit/debit card or net banking. Make sure to complete the payment process to successfully submit your application.

Step 6: Submit the application form
Once you have filled out all the required information and paid the application fee, you can submit your application form. Review all the details to ensure accuracy before submitting.

Step 7: Download and print the application form
After submitting the application form, you can download and print a copy for your reference. This will serve as a proof of your application.

Note: It is important to remember that the availability of exam centers in different cities may vary, so it is advisable to check the list of available exam centers on the GATE website before selecting your preferred center.

In conclusion, applying for a GATE CSE exam center in a different city than your mailing address is possible through the official GATE website. Make sure to follow the mentioned steps and select your preferred exam center carefully. Good luck with your GATE preparation and exam!