Section 11(1)(b) in The Indian Forest Service (Probation) Rules, 1968
(b)50% of the aggregate marks in the Indian Forest Service Probationer's Final Examination and the assessment of the record in the Institute [and in the Lal Bahadur Shastri National Academy of Administration:] [Substituted by Notification No. 7/32/70-AIS (IV), dated 6th March, 1973 (w.e.f. 17th March, 1973).]