In the Ain-i-Akbari (The Institutes of Akbar), it is mentioned that Birbal was one of the few people other than Akbar who were its followers, besides being the only Hindu.
Di Ain-i-Akbari (Institut Akbar), disana dikatakan bahwa Birbal menjadi salah satu dari beberapa orang selain Akbar yang menjadi pengikutnya, meskipun ia menjadi satu-satunya orang Hindu.