Sure mobile said upgrades to the network were causing issues for some customers.
At least 13 of India's 18 intercontinental cables come ashore within six kilometres of Mumbai's Versova beach.
Work is being done to minimise issues reported during a multimillion-pound network upgrade.
A council is considering technology involving street furniture to improve so-called mobile notspots.
Police say about 1km of cable was removed via manhole covers and are appealing for witnesses.
Share trading in Elon Musk’s rocket company has been volatile since it went public a month ago.
Servers at data centres in Sydney and Melbourne were to blame but the exact cause remains unknown.
WhatsApp says the feature is not yet live and that it has built in safeguards against potential scams and impersonation.
The app's new usernames feature will be rolled out globally over the next few months.
