IBPS CRP-RRBs-X-Officers Scale-I Call Letter. Download Institute of Banking Personnel Selection Online Preliminary Exam Call Letter for CRP-RRBs-X-Officers Scale-I. Commencement of call letter download: 17-7-21 Last date of call letter download: 07-8-21 Dated: 18-7-21 Click link below: Download IBPS Preliminary Exam Call Letter for CRP-RRBs-X-Officers Scale-I