Lava introduces the widest screen and lightest Notebook; Launches Helium 12 with 12.5 inch screen, weighing only 1.3 kgs LAVA International Limited, a leading Indian multi-national mobile handset company, today announced the launch of Helium 12; with the first-ever screen size of 12.5 inches. It is the widest screen notebook; offering October 11, 2017 News