It is not possible for the vast majority of Indians to reach vitamin D sufficiency without supplementation.
A recent study conducted by researchers from Trinity College, Dublin, found a clear link between the severity of COVID-19 symptoms and Vitamin D deficiency.
There is a misleading and sensationalist article, about too much Vitamin D causing kidney failure, doing the rounds. Here is a link to it on NDTV: https://www.ndtv.com/health/excess-of-vitamin-d-may-up-kidney-failure-risk-2020081
The idiots who try to label us Indians as inferior The other day, a doctor was telling me that the emphasis on Vitamin D is misplaced in India and that doctors must stop prescribing Vitamin D to people who show some level of deficiency, which is almost 80 percent of