Sirijonga SinghThebe was born in Sinam-Tellok (Yangwarok area), of Limbuwan in 1704 A.D. He is the martyer and pride of the Limbus. He explored out, spread and taught Kirat-Sirijonga script, language and religion of Limbus in the various part of Limbuwan and Sikkim. He was killed in the Sikkim in the cause of Limbu language and script that he had tought very popularly.
It is believed that him as Te-Ongsi Sirijonga, reincarnation of king Sirjonga who invented and popularized Kirat-Sirijonga script in late 9th century of Nepali Bikram Sambat. His contribution in spreading Kirat Sirijonga Script, Limbu language, Mundhum and literature is unforgettable. Nepal Government, Postal Services Department, Nepal Philatelic Bureau, Kathmandu has issued his Postal ticket as in Personalities Series.