If you're preparing for a full-time Ph.D. admission at DB University (or any university), here’s a step-by-step guide to help you navigate the process, including checking previous years' cutoffs, understanding category-wise cutoffs, and preparing for merit-based selection:

1. Understand the Admission Process

Eligibility Criteria: Check the university's official website for specific eligibility requirements (e.g., master’s degree with a minimum percentage, qualifying exams like UGC-NET, GATE, or university-specific entrance tests).
Application Process: Look for the application form, deadlines, and required documents (e.g., research proposal, statement of purpose, letters of recommendation).
Entrance Exam: Some universities conduct their own entrance exams, while others may accept national-level test scores.
Interview: Shortlisted candidates are often called for an interview or presentation of their research proposal.

2. Check Previous Years' Cutoffs

Official Website: Visit the university’s official website or the Ph.D. admission portal to find previous years' cutoff marks or merit lists.
Contact the Department: Reach out to the specific department or the admission office for detailed information on cutoffs.
Online Forums: Check educational forums, student groups, or platforms like Quora, Reddit, or Shiksha for insights from past applicants.

3. Category-wise Cutoffs

Universities often release separate cutoffs for different categories (General, OBC, SC, ST, EWS, etc.).
Check the official admission notifications or merit lists for category-wise cutoff trends.
Note that cutoffs may vary depending on the department, research area, and number of available seats.

4. Merit-based Selection

Academic Performance: Your master’s degree marks and qualifying exam scores play a significant role.
Research Proposal: A well-defined and innovative research proposal is crucial.
Entrance Exam Score: If applicable, your performance in the entrance test will be a key factor.
Interview Performance: Be prepared to discuss your research interests, academic background, and motivation for pursuing a Ph.D.

5. Preparation Tips

Research the University: Understand the faculty, research areas, and facilities offered by the university.
Prepare for the Entrance Exam: If there’s an entrance test, gather previous years' question papers and syllabus.
Work on Your Research Proposal: Align your proposal with the research interests of the department and faculty.
Improve Academic Credentials: Focus on strengthening your academic profile (e.g., publications, projects, or relevant work experience).
Practice for the Interview: Be ready to explain your research proposal, academic background, and future goals.

6. Important Resources

University Website: Regularly check the official website for updates on admission notifications, cutoffs, and merit lists.
Previous Years' Question Papers: Use these to prepare for the entrance exam.
Faculty Profiles: Identify potential supervisors and their research areas.
Student Forums: Engage with current or former Ph.D. students for insights.

7. Key Points to Remember

Start your preparation early, especially for the research proposal and entrance exam.
Keep track of application deadlines and required documents.
Stay updated with the university’s admission notifications and announcements.