Early yearsPrashant Tamang was born in Tungsung, Darjeeling, WB, to Rupa Tamang and the late Madan Tamang. He spent most of his early life there and studied at St. Robert's School. After the demise of his father, Madan Tamang, in an accident, he joined the North Bengal Police Force as a watchman Habildaar , succeeding his father. In Kolkata Police, he sang for the police orchestra. His family includes his grandmother, mother and his sister, Archana.
Indian IdolAccording to the program commentary, Prashant tried out for Indian Idol because his friends and his seniors especially Mr. Zulfiqar Hasan, Special Additional Commissioner of Police (who incidentally also got Prashant's leave sanctioned for the competition) told him that his voice was very good. He auditioned in Kolkata and was subsequently chosen into the final rounds. He received mixed comments from judges after his performances. He is the only contestant to have never been in the bottom 3 or 4 of the galas. He made it to the top 2 of Indian Idol 3 along with Amit Paul, Mr. Tamang got about ten times more votes than him (seventy million votes).
MediaPrashant Tamang has become a celebrity in West Bengal, Sikkim and Nepal. Prayers for his success are expressed even in website of Tamang Society.
The mayor of Mirik in Darjeeling district, voted to spend Rs.10,000 in SMS for voting Prashant and his staff have also vowed to spend a month's salary on SMS for voting Prashant. Police staff of India also vowed to spend a month's salary on SMS for voting Prashant. Nepalese working in Brunei, UK, Hong Kong, UAE are reported to have been sent money to SMS for him. Furthermore, about 600 people were hired to send SMS's all night to secure his spot in the next round. Rallies were organized in Darjeeling and Kharsang in his support, some of which were attended by his sister, mother and grandmother. Pokhara, Nepal located Radio Annapurna 93.4 MHz campaigned for collecting donation and the collected sum of NRs.70000 was sent to Darjeeling through its representative to vote for Prashant. A signature campaign for his support was organized by Himalaya Darpan Newspaper of Darjeeling. Schools, clubs and police of West Bengal are found asking people to support Prashant who have named him 'पहाडको गौरभ Pahad ko Gaurav ' (Pride of the Hills). Sikkim Cabinet Minister G M Gurung and S B Subedi planted tree saplings at Singtam to pledge the Sikkimese support to Prashant and to show the unity between Nepalese community in Sikkim and Darjeeling." Lage Raho Prashant Bhai". Honourable Minister of Sports & Youth Affairs of Sikkim Shri. P.S. Golay had supported immensely state wide in Prashant favour and contribution of his support is unforgettable. Majhitar, Sikkim based well known Industrialist like Shri Kishor Rai & social worker Shri Suresh K. Lama had also whole heartedly supported Prashant Tamang with public around them in his journey to Indian Idol crown. Every Sikkimese voice, every Sikkimese Mobile and every Sikkimese landline whether it be official or paid or home land-line was all for Prashant Tamang that time.