- The PDF describes a one-time, time-bound option for eligible railway employees to switch from NPS to UPS. It states that once submitted and processed, the choice is irrevocable.
- It states that UPS subscribers may switch back to NPS once during active service, at least 12 months before superannuation.
- For employees taking VRS after 20 years of regular service with 3 months' written notice, the PDF states that a reverse switch to NPS must be processed within 3 months before the effective retirement date.
Pension Switch Window & Options
NPS to UPS option, irrevocability and reverse-switch timelines
Source: Railway_Master_Pension_Guide_OPS_NPS_UPS.pdf, pages 1–2. This reflects the uploaded PDF and is not an independent verification of current rules.