Yes, you can register for GATE CSE using your mobile number instead of an email ID. Here's a detailed explanation:

Introduction:
GATE, which stands for Graduate Aptitude Test in Engineering, is a highly competitive exam conducted by the Indian Institute of Technology (IITs) and the Indian Institute of Science (IISc) for admission to postgraduate programs in engineering, technology, and architecture. The registration process for GATE typically requires candidates to provide their email ID for communication purposes. However, it is possible to register using a mobile number as well.

Steps to Register with a Mobile Number:
To register for GATE CSE using a mobile number, you can follow these steps:

1. Visit the official GATE website: Begin by visiting the official GATE website (https://gate.iitkgp.ac.in/) and navigate to the registration page.

2. Click on "New User Registration": On the registration page, you will find an option to create a new user account. Click on it to proceed.

3. Enter Personal Details: Fill in your personal details, such as your name, mobile number, and date of birth, in the respective fields. Make sure to provide accurate information.

4. Choose a Password: Create a strong password for your GATE account. It should be a combination of lowercase and uppercase letters, numbers, and special characters. This will help ensure the security of your account.

5. Verify Mobile Number: After entering your mobile number, you will receive an OTP (One-Time Password) on the provided number. Enter the OTP in the designated field to verify your mobile number.

6. Complete the Registration Form: Once your mobile number is verified, you will be directed to the registration form. Fill in all the required details, including your educational qualifications, category, and communication address.

7. Pay the Registration Fee: Proceed to pay the GATE registration fee through the available payment options, such as net banking, debit card, or credit card. The fee varies for different categories, so make sure to check the official GATE website for the updated fee structure.

8. Submit the Registration Form: After successful payment, review your registration form to ensure all the information provided is accurate. Once you are satisfied, submit the form.

9. Confirmation and Admit Card: Upon successful submission, you will receive a confirmation message on your registered mobile number. Subsequently, you will be able to download your GATE admit card from the official website.

Conclusion:
In conclusion, you can register for GATE CSE using your mobile number instead of an email ID. Simply follow the steps mentioned above, ensuring that you provide accurate information and complete the registration form correctly. GATE is a highly competitive exam, so it is essential to stay updated with the official GATE website (https://gate.iitkgp.ac.in/) for any further instructions or changes in the registration process. Good luck with your GATE preparation!