If you've just got your hands on a shiny new Sim card, congratulations. Switching your Sim (the chip that dictates your allowance) can unlock huge savings. Now comes the crucial step of activating it ...

Bharti Airtel and Blinkit, a fast delivery platform, have teamed up to provide SIM cards to consumers in as little as ten minutes. Through the new partnership, the telecom giant hopes to provide users ...