You should have passed Class 12 with a minimum qualifying percentage in Physics, Chemistry, and Mathematics (the exact percentage might vary depending on the program you choose).You need to qualify for an entrance exam:

• JEE Main (Joint Entrance Examination - Main)
• UPCET (Uttar Pradesh Combined Entrance Test)
  
  Check Application Dates: The application window typically opens in November/December for the following academic year. Keep an eye on the official GLBITM website.
  
  Download the Application Form: During the application period, the application form will be available for download on the GLBITM website.
  
  Fill Out the Application Form: Carefully fill out the application form, providing all required information.
  
  Appear for Entrance Exam: Register and take the JEE Main or UPCET exam, aiming for a good score to improve your chances of admission.
  
  Submit the Application: There are usually two ways to submit the application:
  
  
  • Online Submission: After filling out the form, you might be able to submit it electronically through the GLBITM website.
    
    
  • Offline Submission: In some cases, a physical copy of the application form along with required documents might need to be mailed or submitted in person at the GLBITM admissions office. (Refer to the application instructions for specific details).
    
    
    

  • Application Fee: Pay the application fee as instructed on the website.
    
    

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  • Selection Process: After the application deadline, shortlisted candidates will likely be called for counseling based on their entrance exam scores and other factors.
    
    https://www.careers360.com/colleges/gl-bajaj-institute-of-technology-and-management-greater-noida
    
    I hope it helps!