class song... I heard one illayaraja himself likes this song..

Alli thantha - Nandu

This score was composed by Maestro ilayaraja for the 1982 tamil film kozhi koovuthu.Romantic as ever is the word..listen to it ..

Illayaraja - Kozhi Koovuthu (1982) - Soundtrack - Variations on Etho Mogam

Nayakan (1987 film)
Singers: Mano-K.S. Chithra

Sathi Leelavathi (1995 FILM)
Singer(s) : P. Unni Krishnan, K. S. Chithra

Movie-Ninaivellam Nithya(1982)
Artist(s): SP. Balasubramaniam 
Lyricist: Vairamuthu 

Reused in Movie-Nee Neethaane En Ponvasantham(2012)