(Tamil) () is a Tamil weekly investigative journalism magazine published by R. Prathap Chander. The first issue was published on 20 January 1970. The web edition of was launched on 1 June 2016.
Sigappu nada (à ®Âà ®¿à ®Âà ®ªà ¯Âà ®ªà ¯ à ®¨à ®¾à ®Âà ®¾) was founded in Chennai on 20 January 1970 as a monthly, by P. Kailai Mannan. It was an investigative journalism magazine that brings out the scams and crimes inside and outside government.
The magazine is named () because the most confidential documents of government offices are kept in a file bound with red tape. This secret files and scams in government are issued in . It created an impact among corrupt government officials.
According to the Contempt of Courts Act 1971, a notice was issued against the founder of (P. Kumaraswamy alias Kalai Mannan) regarding his article about corruption by four judges of Madras High Court in a judgement.