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Tiruchi Loganathan Maharajan is a musician. He is a Tamil classical and Tamil playback singer. He is the eldest son of Tiruchi Loganathan, who is the first playback singer in the Tamil music industry. He is also the grandson of Kalaimaamani C.T Raajakaantham. Aged 10, TLM acted and sang in a play called "Vallalar". Two years later, in the year 1967, he began a career in playback singing through the devotional movie "Thiruvarutchelvar". The song "Kaadhalagi Kasindhu", which he sang with Simma Kuraloan T.M.Soundarraajan, composed by K.V. Mahadevan is a devotional number. With 50 years of experience in play back singing. Though he sings devotional songs most of the time, TLM has also sung songs like "Nee Kattum Selai" from "Puthiya Mannargal" "Unnai Kelai" from "Desam" "Rettajadai Rakkamma" from "Anbe Anbe", Kadhal Yogi" from "Taalam", "Buck Buck Buck" from "Parthiban Kanavu" Avanapathi (Avan Ivan). TL Maharajan has been a judge for many singing competitions programs worldwide.

T.L Maharajan, was born to Trichy Loganathan & Rajalakshmi Loganathan. His maternal grandmother was C.T Raajakaantham, one of the leading women comedians during 1940s in the Tamil cinema industry. He is the elder brother of Tamil playback singer, Dheepan Chakravarthy. T.L Maharajan is married to Nirmala Devi with whom he has a daughter – Adhilakshmi Keerthana Kughaan.

• Ayyappan Thunai
• Bhakthi Maalai (vol 1)
• Gajamuga
• Gananatha Om Gananatha
• Ganapathi Saranam
• Ganesha
• Kandha
• Kumbeshwara
• Murugan Arul
• Murugan Shanmugan
• Sabarikkattil Saranamazhai
• Sabarimalai Yaathirai
• Sri Bhairava
• Sri Bhairavar Kavasam
• Thirunaamam (sri Venkateshwara)
• Thulasi Malai
• Uzhaikkum Kaigale May Day Special
• Velayutha Saravanane Murugaiya
• Vinayagar Agaval & Suprabatham
• Vinayagar Thunai

T. L. Maharajan was one among the singers who sang the "Semmozhiyaana Thamizh Mozhiyaam" song for the World Classical Tamil Conference 2010. He also appeared on the screen after G. V. Prakash Kumar and was followed by Bombay Jayashri. The visualisation of the theme song was directed by the renowned director Gautham Vasudev Menon which had an extremely positive response from the audience. The song features the fusion of various musical cultures including Carnatic, Folk, Acoustic, Sufi, Rock and Rap.

The Lyrics of the song was written by the popular politician M. Karunanidhi and composed by A. R. Rahman. The other popular singers who sang the theme song are T. M. Soundararajan, P. Susheela, Bombay Jayashri, Aruna Sayeeram, Nithyasree Mahadevan, S. Sowmya, T. M. Krishna, Srinivas, Naresh Iyer, Harini, Chinmayi, Karthik, Hariharan, Yuvan Shankar Raja, Vijay Yesudas, G. V. Prakash Kumar, Blaaze, Lady Kash, Shruthi Hassan and Chinna Ponnu.