In April last year, Delhi Police could identify almost 3,000 missing children in just four days during a trial of a facial recognition system.

Richard Branson's Virgin Orbit on Wednesday released a rocket from the wing of a modified Boeing 747 jetliner in mid-air in a key test of its high-altitude launch system for satellites, the company said. In the penultimate mission before Virgin Orbit offers commercial satellite launch services, the 70-foot (21.34 m) LauncherOne rocket cleanly separated from the jetliner at roughly 35,000 feet, the company said. The rocket, loaded with water and antifreeze to simulate the weight of fuel, crashed as planned into the Mojave Desert as the jetliner, nicknamed Cosmic Girl, continued on its flight path.

India started pressing for traceability of WhatsApp messages after several lynching cases last year were linked to rumours spread on the messaging service.

In what he believes could be yet another big moneymaker for him, Gautam Adani is now setting his sight on...