Question: P. Vijay won the National Film Award for Best Lyrics in India for a song performed by who?

Context paragraphs:
National Film Award for Best Lyrics: The National Film Award for Best Lyrics (the Silver Lotus Award) is an honour presented annually at the National Film Awards by the Directorate of Film Festivals (DFF) to a lyricist who has composed the best song for films produced within the Indian film industry.  The award was first introduced at the 16th National Film Awards in 1969.  It was intermittently awarded till the 22nd National Film Awards (1975).  From then on, no award was presented until the 32nd National Film Awards (1985).  However, since 1985 every year the award has been presented with the exception of the 34th National Film Awards (1987).  As of the 62nd National Film Awards (2015), the DFF has presented a total of 36 awards to 24 different lyricists.

Kannathil Muthamittal (soundtrack): Kannathil Muthamittal is a film soundtrack featuring scores and 6 songs composed by A. R. Rahman, with lyrics by Vairamuthu.  Sinhalese lyrics for the song "Signore Signore" were by B. H. Abdul Hameed.  It was released in India on 4 February 2002 by the label TIPS to critical acclaim, and quickly became popular among the charts.  The score and soundtrack fetched A. R. Rahman his fourth National Film Award for Best Music Direction.  Lyricist Vairamuthu too won the National Film Award for Best Lyrics.

P. Vijay: Pa.  Vijay is a Tamil language poet and lyricist who writes song lyrics for films.  He won the National Film Award for Best Lyrics in India for his song "Ovvoru Pookalume" in Cheran's "Autograph".

Yagam (1982 film): Yagam is a 1982 Indian Malayalam film, directed and produced by Sivan.  The film stars Kalpana, Aranmula Ponnamma, Babu Namboothiri and Jalaja in lead roles.  The film had musical score by MG Radhakrishnan.  The film won the National Film Award for Best Feature Film in Malayalam.  O. N. V. Kurup won the Kerala State Film Award for Best Lyrics for the song "Shravana Sandhyathan".  Sivan and Mahesh won the Kerala State Film Award for Best Photography (black-and-white).

Roja (soundtrack): Roja is the soundtrack album to the 1992 Tamil film of the same name, directed by Mani Ratnam, starring Aravind Swamy and Madhoo.  Released on Lahari Music, it was the debut work of music composer A. R. Rahman, featuring originally lyrics by Vairamuthu.  "Roja" is considered a milestone in Tamil and Indian film music that heralded the start of a new era.  It was also listed in "Time" magazine's "10 Best Soundtracks" of all time.  It also fetched the National Film Award for Best Music Direction for A. R. Rahman and the National Film Award for Best Lyrics for Vairamuthu.

Anupam Roy: Anupam Roy (Bengali: অনুপম রায় ; born 29 March 1982) is an Indian lyricist, music composer and singer from Kolkata, West Bengal.  He is best known for his song "Amake Amar Moto Thakte Dao (আমাকে আমার মতো থাকতে দাও)", which appeared on the soundtrack to the 2010 film "Autograph".  Since then, he has gone on to compose, write lyrics and sing for many Bengali films.  In 2015, he made his Bollywood debut, composing the songs and score for Piku.  He was nominated for the Filmfare Award for Best Music Director, and won the Filmfare Award for Best Background Score.  In 2016, he composed two songs for the Hindi film Pink.  In 2017, he composed for the Hindi films Running Shaadi (one song) and Dear Maya.  He is a recipient of 64th National Film Award for Best Lyrics for the song "Tumi Jaake Bhalobasho".

Ramakadha: Ramakadha (Malayalam: രാമകഥാ) is a song composed by Raveendran as a part of the soundtrack for the 1991 Malayalam film "Bharatham".  This song, composed in Shubhapantuvarali raga, which is one of the most famous compositions in the "raga" in South India which had the lyrics penned by Kaithapram.  The song was sung by Dr. K. J. Yesudas.  This song was picturised on Mohanlal in the climax of the film.  Yesudas won his 6th National Film Award for Best Male Playback Singer and Raveendran won National Film Award Special Mention and Kerala State Film Award for Best Music Director for this song.

Ovvoru Pookalume: Ovvoru Pookalume ("Every Flower") is a National Awards-winning Tamil song from the soundtrack of the film "Autograph" performed by Indian performer K. S. Chithra and composed by musical director Bharathwaj in the raaga Sindhu Bhairavi.

Kannadasan: Kannadasan (24 June 1927 – 17 October 1981) was a Tamil poet and lyricist, heralded as one of the greatest and most important writers in India.  Frequently called Kaviarasu or Kavirajar ("King of Poets"), Kannadasan was most familiar for his song lyrics in Tamil films and contributed around 5000 film lyrics apart from 6000 poems and 232 books, including novels, epics, plays, essays, his most popular being the 10-part religious essay on Hinduism, "Arthamulla Indhumatham" ("Meaningful Hindu Religion").  He won the Sahitya Akademi Award for his novel "Cheraman Kadali" in the year 1980 and was the first to receive the National Film Award for Best Lyrics, given in 1969 for the film "Kuzhanthaikkaga".

National Film Award for Best Actor: The National Film Award for Best Actor, officially known as the Rajat Kamal Award for the Best Actor (] ), is an honour presented annually at the National Film Awards of India instituted only since 1967 to actors who have delivered the best performance in a leading role within the Indian film industry.  Called the "State Awards for Films" when established in 1954, the National Film Awards ceremony is older than the Directorate of Film Festivals.  The State Awards instituted the individual award in 1968 as the "Bharat Award for the Best Actor"; in 1975, it was renamed as the "Rajat Kamal Award for the Best Actor".  Throughout the past 45 years, accounting for ties and repeat winners, the Government of India has presented a total of 52 "Best Actor" awards to 40 actors.  Until 1974, winners of the National Film Award received a figurine and certificate; since 1975, they have been awarded with a "Rajat Kamal" (silver lotus), certificate and a cash prize.

Supporting paragraphs: P. Vijay Ovvoru Pookalume
Answer: K. S. Chithra