Temporary and permanent employees of the Institute shall be entitled to such leave and leave salary as are admissible to the corresponding categories of Central Government servants under the revised leaves Rules, 1933, as amended from time to time.
Provided that for purposes of Central Government Revised Rules, 1933, the following categories of teaching staff of the Institute shall be treated as serving in the vacation department.
1. Professors (including Director, Professor and Additional Professors).
2. Associate Professors.
3. Assistant Professors.
4. Lecturers (including Senior Lecturers).
The regular vacation for the purpose shall be as may be decided by the Governing Body from time to time:
Provided further that incumbents on deputation, to the Institute as on foreign service, shall be governed by leave rules as may be stipulated in the conditions of their deputation.