Mountain View (California), Dec. 4 -- : Tech giant Google on Tuesday appointed Indian-origin Sundar Pichai as the Chief Executive Officer (CEO) of Alphabet, replacing Sergey Brin as the head of the parent firm.

Alphabet was established in 2015 as a "collection of companies" that separates Google from Other Bets which are not part of its core businesses like Waymo (self-driving cars), Verily (life sciences), Calico (biotech R&D), Sidewalk Labs (urban innovation) and Loon (rural internet access via balloon), according to TechCrunch.

Google co-founders Larry Page and Brin, the CEO and president of Alphabet, will continue their involvement as co-founders, shareholders and members of Alphabet's Board of Directors.

On the other hand, Pichai ha...