Question: N J Nandini won an award named after what Carnatic music singer from Palakkad?

Context paragraphs:
Dr. Annavarapu Ramaswamy: Dr. Annavarapu Ramaswamy (born 23 March 1926) is an Indian Classical Carnatic Violin Vidwan and Guru, whose musical journey entered into 9th decade.  He is in the fourth line of direct disciples in Guru Shishya parampara of the Great Musician Saint Thyagaraja and is a disciple of Sri Parupalli Ramakrishnayya Pantulu.  Both, Dr.M.Balamuralikrishna and him are very close friends, companions, classmates, learned carnatic music under the same guru Sri Parupalli Ramakrishnayya Pantulu.  They performed many concerts together throughout the world.  Many stalwarts in carnatic music, wanted and appreciated him as an accompaniment in their concerts in yesteryears.  He accompanied top ranked legendary stalwart musicians of India, carnatic musicians such as his guru, Sri Parupalli Ramakrishnayya Pantulu,  Dr. Mangalampalli Balamurali Krishna, Sri Arayakudi Ramanuja Iyyengar, Sri Chembai Vaidyanatha Bhagavatar, Sri G. N. Balasubramaniam, Sri Semmamgudi Srinivasa Iyyer, T. R. Maralingam, Sri S.Balachandar etc.. . ; and Hindustani Musicians - Pandit Vinayakarao Pathvardhan, Pandit Bhimsen Joshi, Pandit Jasraj, etc., on many Prestigious National and International venues.  He came up with his own style of performing solo concerts on Violin & Viola.  He invented new Ragas & Talams such as Vandana Ragam, SriDurga Ragam and Tinetradi Tala and Vedadi Tala.  He had written and composed many Varnams and Kritis.  He is a notable guru, taught many students, who are in successful positions such as Violin Vasu, Flute Phani, V.L.Tulasi Viswanath (carnatic vocalist), Peravali Nanda Kumar (Violinist), etc., For the past 7 to 8 decades, he has been doing free service to the society such as teaching students at free of cost.  He propagated the magnificence of his performances, teachings, demonstrations and Lectures on Music in countries such as U. S. A, Canada, European Countries (U. K, France etc.) and Asian Countries (Muscat, Bahrain, Dubai, Singapore, Malaysia, Doha, Srilanka, etc.,)

Shanmukhapriya: Shanmukhapriya is a rāgam in Carnatic music (musical scale of South Indian classical music).  It is the 56th "melakarta" rāgam (parent scale) in the 72 "melakarta" rāgam system of Carnatic music.  It is called Chāmaram in Muthuswami Dikshitar school of Carnatic music.  It is said to be borrowed into Hindustani music from Carnatic music.

D. K. Pattammal: Damal Krishnaswamy Pattammal ( 28 March 1919 – 16 July 2009) was an Indian Carnatic musician and a playback singer for film songs in many Indian languages.  She along with her contemporaries M. S. Subbulakshmi and M. L. Vasanthakumari were (and still are) popularly referred to as the "Female trinity of Carnatic Music".  This trio initiated the entry of women into mainstream Carnatic Music.  She has been appreciated all over the world by Carnatic music lovers.

Charanams: Charanams is a world music carnatic jazz band that presents a unique blend of South Indian carnatic music and jazz music.  Charanams band presents musical compositions of carnatic musician Nivedita ShivRaj.  These music compositions are based on South Indian Carnatic music with jazz improvisations.  The compositions do not have any lyrics, but contains carnatic music solfege.

N. J. Nandini: N J Nandini (born 5 August 1991) is a young Carnatic music vocalist from Trivandrum.  2014 was a high note for Nandini, who has become the young face of classical music in the city.  who was awarded the Chembai Puraskaram, followed by the Isai Chudai title and the M S Subbalakshmi fellowship.  Hailing from a family of rich musical heritage, she has been nurtured over the years, by her eminent gurus, Prof Parassala Ponnammal, Prof P R Kumarakerala Varma, Dr S Bhagyalakshmi and Dr M N Moorthy.  She has performed over 700 concerts within India and abroad.

Naganandini: Naganandini (pronounced naga + nandini-daughter ( nandini ) of Naga/Mountain i.e. Pārvati) is a rāgam (musical scale) in Carnatic music (South Indian classical music).  It is the 30th "Melakarta" rāgam in the 72 "melakarta" rāgam system of Carnatic music.  It is called Nagābharanam in Muthuswami Dikshitar school of Carnatic music.

Chembai: Chembai Vaidyanatha Bhagavatar a.k.a. Vaidyanatha Iyer (Malayalam:ചെമ്പൈ വൈദ്യനാഥ ഭാഗവതർ, b. 1 September 1896, d. 16 October 1974) was a Carnatic music singer from Palakkad (state of Kerala, India).  Known by his village name "Chembai", or simply as "Bhagavatar", he was born to Anantha Bhagavatar and Parvati Ammal in 1896, into a Tamil Brahmin family at Kottayi-I/II near Palakkad on Janmashtami day.  Chembai was noted for his powerful voice and majestic style of singing.  His first public performance was in 1904, when he was nine.  A recipient of several titles and honours, he was known for his encouragement of upcoming musicians and ability to spot new talent.  He was responsible for popularising compositions like "Rakshamam" and "Pavana Guru", among others.  The music critic 'Aeolus' described him as "the musician who has meant the most to Carnatic Music in the first fifty years of the 20th century."  His prominent disciples include Chembai Narayana Bhagavathar, Mangu Thampuran, Guruvayur Ponnammal, T. V. Gopalakrishnan, V. V. Subramaniam, P. Leela, Jayan and Vijayan, K. J. Yesudas and Babu Parameswaran, among others.  He also mentored and lot of young accompanists, including Palghat Mani Iyer, Lalgudi Jayaraman, M. S. Gopalakrishnan, T. N. Krishnan, Palani Subramaniam Pillai and L. Subramaniam.  Memorial music festivals have been held in his honour annually since his death in 1974, the most important being the annually celebrated Chembai Sangeetholsavam.

Trinity of Carnatic music: The Trinity of Carnatic music refer to the outstanding trio of composer-musicians of Carnatic music in the 18th century, being Tyagaraja, Muthuswami Dikshitar and Syama Sastri.  Prolific in composition, the Trinity of Carnatic music are known for creating a new era in the history of Carnatic music by bringing about a noticeable change in what was the existing Carnatic music tradition.  Compositions of the Trinity of Carnatic music are recognised as being distinct in style, and original in handling ragas.  All three composers were born at Thiruvarur formerly part of Thanjavur District.

S. Sowmya: S. Sowmya (born April 16, 1969) is a Carnatic music singer.  She learnt music initially from her father Dr. Srinivasan, and later from Dr. S. Ramanathan and Smt. T. Muktha.  In 1998, Sowmya co-founded Carnatica - an institution dedicated to classical music & dance instruction, archival, talent search and other related activities.  She also co-authored the first comprehensive reference CD-ROM on Carnatic music, Nadanubhava.  She is also a visiting professor at the Advanced School of Carnatic Music of the Music Academy Madras.

Simhendramadhyamam: Simhendramadhyamam or Simmendramadhyamam is a rāgam in Carnatic music (musical scale of South Indian classical music).  It is the 57th "melakarta" rāgam in the 72 "melakarta" rāgam system of Carnatic music.  It is called Sumadyuti in Muthuswami Dikshitar school of Carnatic music.  It is said to be borrowed into Hindustani music from Carnatic music.

Supporting paragraphs: N. J. Nandini Chembai
Answer: Chembai Vaidyanatha Bhagavatar