I think you need to work on your cv, write the email comprehensively,clearly shows your expertise, and achievment. The aim of your plan and why you want to join a specific Lab/Professor.
search the professors from the faculty list of university. Write a smart covering letter showing your interest to work with the professor, attach your CV & research proposal and shoot email to professor.
Your question demands rethinking on your side that it may be the action of your group who is interested in your career , & welfare . For your further studies by taking the information in the line with their letter for you , you may arrange to take the necessary information of the letter by calling for the necessary guideline for the study progress & the necessary information for your future action of your career .