I'm not sure how accurate StatCounter is, given that most Linux users use adblockers. However, according to it, Linux has almost a 14% desktop share in India.
From Wikipedia, the free encyclopedia
Linux is a family of open source Unix-like operating systems based on the Linux kernel, an operating system kernel first released on September 17, 1991 by Linus Torvalds. Linux is typically packaged in a Linux distribution (or distro for short).
Distributions include the Linux kernel and supporting system software and libraries, many of which are provided by the GNU Project. Many Linux distributions use the word "Linux" in their name, but the Free Software Foundation uses the name GNU/Linux to emphasize the importance of GNU software, causing some controversy.
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Also to add the Indian market is so saturated any "good one" you get knows their worth and dip out at the first opportunity. Leaves giant companies left holding the bag on a model that has skeleton crews containing all the tacit knowledge with no means to do anything. "Oh well just bring in vendors to do xyz" ignoring the operational cost going forward. The current business model employed by fortune 500 companies was and is unsustainable. Great for their bottom line though.