India rolls out 'White Rabbit' tech to secure Indian Standard Time network: What it means

NEW DELHI: The Centre has commissioned a demonstration network that distributes a secure, tamper-resistant Indian Standard Time (IST) signal using "White Rabbit" precision timing technology, a move aimed at reducing dependence on foreign timing sources for critical infrastructure.The network, launched at the Regional Reference Standard Laboratory (RRSL) in Bengaluru, is part of the government's broader "One Nation, One Time" initiative and has been developed jointly by the department of consumer affairs, CSIR-national physical laboratory (CSIR-NPL) and Isro.

What does it mean?

The project is aimed to provide a single, indigenous and highly accurate time source for sectors where even microsecond-level differences matter, including banking, stock markets, telecom networks, power grids and transportation.Currently, many digital systems rely on foreign satellite-based timing services such as GPS for synchronisation. The government says an indigenous time dissemination network will make these services more secure and resilient by reducing dependence on external sources.The system distributes Indian Standard Time, traceable to India's official time-keeping authority UTC (NPLI), using White Rabbit technology, an advanced precision timing protocol capable of delivering highly accurate synchronisation.

The government believes this will improve the reliability of financial transactions, telecom services and power systems while strengthening cybersecurity and protecting critical infrastructure from disruptions.As part of the project, the department of consumer affairs, CSIR-NPL, Isro, Sebi, the National Stock Exchange (NSE) and BSNL have successfully completed a verification test of secure time transmission between the Bengaluru laboratory and NSE's Chennai facility.Union Minister Pralhad Joshi has said a trusted, indigenous national time source is becoming a critical piece of digital infrastructure that will support consumer protection, fair trade, cyber resilience and India's broader digital economy.The initiative is part of the government's push for technological self-reliance under the "Viksit Bharat" vision and aims to position India among countries with sovereign precision time dissemination capabilities.