Imphal, Oct 18 (ANI): Tribes living in the hills and plains of northeastern India come together to participate and compete in Hiyang Hiren Tanana, the traditional boat race competition, held annually two days ahead of the Mera Houchongba celebrations, a festival which encourages brotherhood among tribal communities. On Wednesday hundreds of locals dressed in their traditional northeast Indian attire, came to participate in the festivities of an annual boat race competition which is organised annually two days ahead of the religious festival, Mera Houchongba. All 36 rowers or volunteers which include two team leaders (Tengmai Lappa) who took part in the boat race were blessed by the titular king ofIndia's northeastern Manipur state, Leishemba Sanajaoba, during a ceremony held at Sana Konung (Manipur Royal Palace) on Tuesday. Hiyang HirenTanana (Traditional Boat Race) and Mera Houchongba are the two most important festivals of Manipur which bind the people of the valley with the hills. The two festivals are being celebrated in Manipur since 33 A. D. whenManipur was ruled by King Nongda Lairen Pakhangba.