Sigappu Nada ('Red Tape')
(Tamil: சிகப்பு நாடா)

Type	Weekly magazine, website
Format	Book, website
Owner(s)	R. Prathap Chander
Founder(s)	P. Kailai Mannan
Publisher	R. Prathap Chander
Editor	R. Prathap Chander[1]
Founded	20 January 1970 (1970-01-20)
Language	Tamil
Headquarters	Velachery, Chennai, Tamil Nadu, India.
RNI	17884/70
Website	www.sigappunada.com

Sigappu Nada (Tamil) (Tamil: சிகப்பு நாடா) is a Tamil weekly investigative journalism magazine published by R. Prathap Chander. The first issue was published on 20 January 1970.^[2] The web edition of Sigappu Nada was launched on 1 June 2016.

Sigappu nada (சிகப்பு நாடா) 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 Sigappu Nada (Tamil: சிகப்பு நாடா) 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 Sigappu Nada. It created an impact among corrupt government officials.^[3]

According to the Contempt of Courts Act 1971, a notice was issued against the founder of Sigappu Nada (P. Kumaraswamy alias Kalai Mannan) regarding his article about corruption by four judges of Madras High Court in a judgement.^[4]

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