Nanjil Nadan was born in Veera Narayanamangalam in Kanyakumari District to Ganapathiya Pillai and Saraswathi Ammal. Born as G. Subramaniam, he uses the pseudonym Nanjil Nadan (means a native of the Nanjil Nadu – the area comprising the taluks of Agastheeswaram and Thovalai in Kanyakumari district ). He has a M.Sc degree in Mathematics. He currently works at W. H. Brady and Co in Coimbatore. He began his literary career by working in Bombay Tamil Sangam's literary magazine Aedu. His first short story Viradham was published in July 1975 in the magazine Deepam run by Na. Parthasarathy. In 2002, his novel Thalaikeezh Vigithangal was made into a Tamil film titled Solla Marandha Kadhai by Thangar Bachan. In 2010 he was awarded the Sahitya Akademi Award for Tamil for his short story collection Soodiya poo soodarka. Currently his novel Ettu Thikkum Madha Yaanai is being made into a Tamil film titled Padithurai. He has authored a total of six novels, 112 short stories,2 short story anthologies, 5 essay collections and 2 poetry collections. Some of his works have been translated to English, Malayalam and French. Also some of them are part of the curriculum in several educational institutions.