In ancient times, only royalties and nobilities were allowed to play the game of polo (Meitei: Sagol Kangjei) in this royal playground.

Morphologically, the word "kāng‑jei‑bung" can be divided into three roots, "kāng", "jei" and "bung", meaning "a round/spherical object", "stick" and "mound" respectively.

It is said that King Ningthou Kangba used to play the game of polo (Meitei: Sagol Kangjei) in the Manung Kangjeibung.

[17][18] On 9 May 2018, Nongthombam Biren Singh, the Chief Minister of Manipur, as a chairperson in the 27th meeting of the Kangla Fort Board, had a discussion regarding the shifting of the helipad service from the "Manung Kangjeibung" pologround of the Kangla Fort complex.

[19][20][21] According to the "All Manipur Polo Association (AMPA)", the Chief Minister's upcoming Sagol Kangjei Championship 2022 is going to be organized at the Manung Kangjeibung inside the Kangla.