Abstract: We report a highly sensitive refractive index sensor based on a looped micro-deformed tapered fiber. The microdeformation is induced by first shaping the taper into a loop, and then, a ...

An Indian government-run cybersecurity app "Sanchar Saathi" is seen on a mobile phone in New Delhi, India, Tuesday, Dec. 2, 2025. AP Dubai: The government has withdrawn its order mandating smartphone ...

In what appears to be a U-turn on the mandatory directive amid privacy concerns, the government now says the requirement was dropped because Sanchar Saathi has ...

Update December 3 2025, 10:43am ET: India has withdrawn its mandate requesting manufacturers to install the Sanchar Saathi app, according to reporting from Reuters ...

The government’s mandate on Monday (December 1, 2025) for smartphone makers to pre-install the Sanchar Saathi app sparked backlash from the Opposition and from digital rights activists. Leader of the ...

The Ministry of Telecommunications has issued a new directive mandating all major smartphone companies, including Apple, Samsung, Vivo, and Oppo, to pre-install the government-owned cybersecurity ...

Surprising no one, Apple has indicated that it will not comply with a new order from the Indian government requiring it to pre-install a state-run cybersecurity app ...

NEW DELHI: A push by the Centre to curb phone-based scams by mandating a government app on every smartphone in circulation is likely to be opposed by the world’s largest handset makers — including ...

All cellphone makers and importers must pre-install the cybersecurity “Sanchar Saathi” app on handsets for sale in India within 90 days, an official directive from the Department of Telecommunications ...

As per this directive, original equipment manufacturers like Apple, Oppo, Vivo, Xiaomi, Samsung will have 90 days to pre-install the app on new mobile phones The Department of Telecommunications (DoT) ...

India has ordered smartphone companies to pre-install an anti-spam and phone-tracking app on all new devices within the next 90 days. The Sanchar Saathi app, launched in January, lets users lock down ...