Question: Mohan Sithara has had his music sung by the playback singer and vocalist of what nationality?

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Varshangal Poyathariyathe: Varshangal Poyathariyathe is a 1987 Indian Malayalam film, directed by Mohan Roop.  The film stars Sukumari, Innocent, Nedumudi Venu and Menaka in lead roles.  The film had musical score by Mohan Sithara.

Sithara (singer): Sithara Krishnakumar (born 1 July 1986) is an Indian singer.  Popularly known by her first name, Sithara is a playback singer in Malayalam who has also recorded songs for a number of Tamil, Telugu and Kannada films.  Trained in Hindustani and Carnatic classical music traditions, she is also a recognised ghazal singer.  She travels extensively in India and abroad and has performed at more than a hundred stage shows.  Folk and fusion being her other areas of interest, she has collaborated with various popular musical bands in Kerala.  She launched her musical band Eastraga which focuses on a mix of female oriented songs backed by a team of renowned musicians like Rison, Sushanth, Abhijith Sreenivasan, Paulson, Thanuj, Jitu Oommen Thomas and Sarfaraz Khan.

Last Bench: Last Bench is a 2012 Indian Malayalam drama film, directed by Jiju Asokan and produced by T.B. Raghuanthan.  The film stars Mahesh, Jyothi Krishna, Sukanya and Chinchu Mohan in lead roles.  The film had musical score by Mohan Sithara and Vishnu Sarath.

Georgootty C/O Georgootty: Georgootty C/O Georgootty (Malayalam: ജോര്ജ്ജൂട്ടി C/O ജോര്ജ്ജൂട്ടി ) is a 1991 Malayalam–language romantic comedy / drama film starring Jayaram, Sunitha and Thilakan in major roles.  It was directed by Haridas and written by Ranjith, the film was produced under the banner of Chandragiri Productions.  It was Haridas' directorial debut.  Haridas got the State Award for Best New face Director for this film.  The music was composed by Mohan Sithara with lyrics by Gireesh Puthenchery.

Manthri Kochamma: Manthri Kochamma is a 1998 Indian Malayalam film, directed by Rajan Sithara.  Produced by Azeez Parappanangadi The film stars Prem Kumar, Indrans, Kalpana, Mala Aravindan and Kanaka in lead roles.  The film had musical score by Mohan Sithara.

Kumbasaram: Kumbasaram: The Confession is a 2015 Malayalam thriller film written and directed by Aneesh Anwar, starring Jayasurya, Honey Rose, Vineeth and Priyanka.  The film features music composed by Vishnu Mohan Sithara.  The music label was Muzik247.  The film deals with the unexpected tragedies that befall the family of an autorickshaw driver.The movie is an unofficial remake of Serbian film Klopka with few little changes.

Varnakkazchchakal: Varnakkazchchakal is a 2000 Indian Malayalam film, directed Sundar Das.  The film stars Dileep, Poornima Mohan, Haripriya and Jagathy Sreekumar in lead roles.  The film had musical score by Mohan Sithara.

Excuse Me Ethu Collegila: Excuse Me Ethu Collegila?  is a 1996 Indian Malayalam film, directed by Mohan Roop.  The film stars Innocent, Kalabhavan Mani, Anusha, Kalpana and Prem Kumar in lead roles.  The film had musical score by Mohan Sithara.

Manjari (Indian singer): Manjari (Malayalam: മഞ്ജരി ) (born 17 April 1986) is an Indian playback singer and Hindustani vocalist.  She was born in 1986 in Thiruvananthapuram and grew up in Muscat and her family is originally from Kannur.  Her first stage performance was with "Shiva", the Kolkata-based rock band, when she was in class eight.

Mohan Sithara: Mohan Sithara is a Malayalam film music composer.  He received the Kerala State Award for the songs in Priyanandan's "Sufi Paranja Kadha".  Since 1986 he has been an active musician in the Malayalam film industry.  His work mixes Western, Classical and folk styles.  He has worked with famous lyricists and poets like O. N. V Kurup, Yusufali Kechery, Sreekumaran Thampi, Rajeev Alunkal, P K Gopi, Kaithapram Damodaran Namboothiri, Rafeeq Ahmed, S. Ramesan Nair, B R Prasad, Vinayan, Bharanikkavu Sivakumar, Anil Panachooran, Vayalar Sarath Chandra Varma, Gireesh Puthenchery, and Bichu Thirumala.  Many prominent singers have sung his songs, including K. J. Yesudas, P. Jayachandran, K. S. Chithra, Sujatha Mohan, Madhu Balakrishnan, G. Venugopal, M. G. Sreekumar, Vidhu Prathap, Afsal, Manjari, Jyotsna Radhakrishnan, Swarnalatha, Sheelamani, Biju Narayanan, Priya R Pai and Poornasree.

Supporting paragraphs: Mohan Sithara Manjari (Indian singer)
Answer: Indian