This document summarizes various leave rules for employees. It discusses general principles of leave, types of earned leave including credit rules and accumulation limits. It also covers half pay leave, commuted leave, leave not due, extraordinary leave and special leave provisions for maternity, paternity, study etc. Key highlights include crediting of earned leave at 15 days every 6 months and half pay leave at 10 days every 6 months, maximum accumulation of 300 days earned leave, and restrictions on granting extraordinary leave exceeding 3-24 months depending on seniority and purpose.