Disguise

1. Pandavas, disguised as Brahmins travelled to Ekachakra to escape Kauravas
2. Krishna Arjuna disguised as Brahmins to test Mayuradhvaja
3. Bhima Krishna Arjuna disguised as Brahmins to defeat Jarasandha
4. Indra disguised as Brhamin acquired kavacha of karna

https://www.google.com/search?q=Brahmin+Disguise
https://freeglobaluniversity.blogspot.com/search/label/Epic