It is likely a term used locally or within a specific department, and its meaning could vary depending on the context.
To understand the specific meaning of "PQRS quota," you would need to provide more context, such as:
* Where did you encounter this term? (e.g., a railway website, a conversation, a document)
* What was the context of the discussion? (e.g., ticket booking, job applications, etc.)
With more information, I can help you understand the meaning of "PQRS quota" in your specific context.