Heikru Hidongba (ꯍꯩꯀ꯭ꯔꯨ ꯍꯤꯗꯣꯡꯕ), the annual royal boat racing festive event (a typical Hiyang Tannaba), falls on the 11th lunar day of the Langban month of the Meitei year. The event is mainly organized in the moat of the Sagolband Bijoy Gobinda in Imphal.