Isai Nunukkam is a grammar book for the Tamil language. It was written by Sikandi, before the second Sangam period.[1][2] References [1]Srinivasa-iyengar, P.T. (1929). History of the Tamils: from the earliest times to 600 A.D. New Delhi: Asian Educational Service. pp. 231–232. ISBN 81-206-0145-9. [2]Zvelebil, Kamil (1973). The Smile of Murugan: On Tamil Literature of South India. Leiden: Brill. p. 47. ISBN 90-04-03591-5. This article about the literature of India is a stub. You can help Wikipedia by expanding it.vte Wikiwand - on Seamless Wikipedia browsing. On steroids.