If the academic requirements are not met, are there any alternative criteria like letters of recommendation or work experience that can help in admission to these universities in UK for a Master's/Postgraduate?

Yes, strong letters of recommendation and relevant work experience can help strengthen your application if your academic scores are slightly below the standard requirements for a UK master's program.

UK universities often consider:
- Letters of recommendation (typically 1-2), ideally from academic supervisors or professors who can speak to your abilities and suitability for postgraduate study.
- Relevant work experience, especially for programs that value practical exposure (such as business or healthcare), can demonstrate your commitment and skills.

Admission policies vary by university and program. Some may place extra weight on professional experience and references if your academic background is less competitive.