Exercising Option date extended upto 20.08.2022 SRES submitted Memorandum to Sri. Vinay Kumar Tripathi, Hon’ble Chairman / Railway Board cum CEO on 29.10.2022. Option form for coverage of OPS in place of NPS to be submitted before 31.08.2023 SRES cadre presented Memorandum to Shri. Mohit Sinha, Director General (Human Resources), Railway Board on 16.05.2023 during his visit to Chennai