Indians can’t even tell castes unless they are from essentially the same county/local cluster. This is only really a problem because you have a lot of people from the same part of Andra pradesh coming and working in the tech sector.
Google suffered a backlash in Japan when they made ancient maps easy to find, as people feared it'd make it easy to connect them to frowned upon ancestry: https://abcnews.go.com/Technology/story?id=7514420&page=1
Seems easy enough. There are only 4.6 Million possibilities to choose from.
based on the number of subcastes Govt of India identified for a caste census in 2011. https://www.deccanherald.com/content/489752/socio-economic-c...
With many people taking different names that are modern from parents ,its really hard to know .