This file is from Wikimedia Commons and may be used by other projects.
The description on its file description page there is shown below.
The factual accuracy of this map or the file name is disputed.
Reason: map appears to be okay at first glance, but it depicts majorities with an agenda to show off Sikhism. It would be better and more nuanced, to also synthesize the minority religions, for example via hatches or with diagram insets. There are large muslim minorities in India, for example.
Summary
DescriptionReligious Diversity in South Asia (2).png
English: Religious Diversity in South Asia (by national subdivision)
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