This leave is granted by Government only for the study of scientific, technical, and other similar problems for a period not exceeding 2 years in the entire service after a service of 5 years.
Government servants of less than 5 years of service and due to retire within 3 years are not eligible for sanction of leave.
If it is combined with leave with allowances, this period should not exceed 28 months. EOI may be taken in conjunction with this leave without any limit.