Indian Standard Time Dissemination Using Precision Time Protocol: Toward Resilient Time Synchronization Using Optical Fibers for Critical Infrastructure in India. - Kumar, Kuldeep; Ghosh, Sandip Kumar; Neelam; Pandey, Shailesh Chandra; Bharath, Vattikonda; Panja, Subhasis; Agarwal, Ashish; Das, Manoj (Mapan, 2024)