Professor's email at U of Houston about body odor, referencing some cultures, raises concerns about how to broach this delicate topic, if at all.
https://www.insidehighered.com/news/2019/01/21/email-students-u-houston-about-body-odor-raises-concerns-about-how-broach-delicate

ELI5:Why do the majority of Indians and Pakistanis have very strong body odour?
https://www.reddit.com/r/explainlikeimfive/comments/2kt41h/eli5why_do_the_majority_of_indians_and_pakistanis/

How do I tell my Indian co-workers they have poor hygiene? Primarily body odor
https://www.quora.com/How-do-I-tell-my-Indian-co-workers-they-have-poor-hygiene-Primarily-body-odor