[raxxorrax]

I don't think it prudent to replicate it in nations with no connection to Hinduism.

Your strategy would reinforce the awareness of caste status.

I don't think non-Indians would even be able to discriminate by caste. Discrimination against Indians is perfectly possible of course.

[fmajid]

There is a strong racial component to the caste system, and thus it would fall within a protected category. A company would open itself up to liability if it willfully ignored the problem.

[sremani]

Even though Caste is associated with Hinduism. There is a huge section of Muslims and Christians who practice a derived version of Caste system in Indian subcontinent.