Sudha Raghunathan is a noteworthy Indian classical vocalist of Carnatic tradition. She was only nine years old when her training in the Carnatic music began under her mother Smt Choodamani. Later on she received training for a brief period from Sri. T. V Viswanathan and studied from Sri. B.V. Lakshman. In the year 1977, Sudha Raghunathan came under the umbrella of the celebrated Padmabhushan, Sangeetha Kalanidhi, Dr. M.L Vasantha Kumari and received tutelage from them. She bagged this opportunity after winning a Govt. of India Scholarship that in a usual manner is given to young artistes for advanced training in music.

Dr. M.L Vasantha Kumari inspired her to take up music as the means of career. For near about a decade Sudha Raghunathan supported Dr. M.L Vasantha Kumari with her voice. All the music lovers know her as the Dr. M.L.V`s "vaarisu".

Throughout her professional career, Sudha Raghunathan has executed at all most all the major cities in India. At the invitation of esteemed institutions abroad, she has pioneered concert tours all over the world. All over the world her performances received rave appreciation from the musicians from the Carnatic and the Hindustani music realms. Acknowledging her talent Sudha Raghunathan has been included as a Top Ranking artiste of the All India Radio, Chennai. She has been performing on a regular basis on AIR and Doordharshan. Sudha performed at Hassan, Karnataka For the Radio Sangeeth Sammelan series of concerts directed by the AIR. To her credit she has released commercial cassettes and compact discs of Classical and Devotional music produced by many leading recording companies. The banners include, Amutham Inc.(NewYirk);AVM Audio; MusicToday; Vani Recording Co.; HMV; INRECO;T-Series; Geethanjali, etc.

Besides proving her excellence in the field of music, she has also exhibited her brilliance in the academic fields as well. She holds a Post Graduate degree in Economics, and also holds the distinction of being awarded the `Most Outstanding Student` of the Ethiraj College, Madras for three years in succession. At college level Sudha has also applauded credit in other fields such as debates, quiz, dramatics and essay writing. Sudha Raghunathan has fetched the unique privilege of being the `ASTANA VIDUSHI` of the Sri Sringeri Sharada Peetam, Sringery; the Andavan Ashramam, Srirangam; the Ahobila Mutt.

Sudha Raghunathan has fetched many accolades throughout her professional career. Some of them are: Gaana Sudha Amrithavarshini by Kaanchi Mutt in the year 1999; MLV Memorial Award in the year 1998; Vasantha Gaana Vaarithi in the same year; Bharat Jyoti, Bharathiya Vidhya Bhavan, New York in the year 1998; Gaana Kuyil, Valmiki Manram, Madras in the year 1998; Woman of Golden Substance, Rotary club, Madras in the year 1998; Udhavum Oli, Vasantha Memorial Trust for Cancer Cure & Care, Coimbatore, in the year 1998; Bharatha Sangeetha Bhushana, Sri Bharathalaya, Madras in the year 1997; Sangeetha Choodamani, Sri Krishna Gaana Sabha, Madras in the year 1997; Yogam Nagaswamy Award, The Music Academy, in the year 1997; Ariyakudi Ramanujam Iyengar Award, Sri Ragam Fine Arts,Madras in the year 1996; Sangeetha Bhushani, Indian Fine Arts, Austin, Texas, USA in the year 1996; Thennisai Thilakam in the year 1996, The Federation of Tamil Sangams, North America & Tamilnadu Foundation -USA, Tamil Conference, Stamford, Connecticut; For the Sake of Honour Award in the year 1995; Gana Kala Bhushani, Sankarabharanam Trust in the year 1995; Swara Raga Laya Ratna, The Academy of Indian Music, Melbourne, Australia, in the year 1994; Gaana Sudhakara" form Sakthi Arutkoodam", in the year 1999; `Vasantha Gaana Vaarithi` by the Carnatic Music Association of Ohio, Michigan,U.S.A on September in the year 1998; "Rasika Kala Ratna" at Sydney, "Isai Kalai Illavarasi" at Canberra, "Lalitha Swara Gana Varidhi" at Perth; Saptaswara Vani, Saptaswara Sabha, Karaikal, in the year 1994; "TOYI" (Ten Outstanding Young Indians) Award, The Indian Junior Chamber, in the year 1994; Rasika Priya Ratnam, Jagadguru Sri Chndrasekharendra Saraswathi Spiritual Centre, Madras, in the year 1993; Sangeetha Saraswathi, The Mahasannidhanam of Sringeri, in the year 1993; Youth Excellence Award, Maharajapuram Viswanatha Iyer Trust, in the year 1992; Ugaadi Puraskar Award, The Telugu Academy, in the year 1992; V.S.T Award For Excellence and the title Isai Peroli, Kartik Fine Arts, Madras, December 1991; Yuva Kala Bharathi, Bharat Kalachar, Madras in the year 1989; Amudha Isai Vani, Tamil Sangam, New York, in the year 1988; Padma Sri award in the field of Carnatic music (vocal) in the year 2004; Bharat Jyothi in the year1998 from The Bharatiya Vidya Bhavan, New York.

On July 20th,1999, Sudha Raghunathan launched a Trust for social welfare activities. The Trust has been named the "Samudhaaya Foundation". Trust covers `a wide spectrum of activities ranging from Music to Education, so also many charitable causes`. For the first project of Samudhaaya Foundation, it collected Rs.5 lakhs and donated it to the KARGIL DEFENCE PERSONNEL RELIEF FUND.