Rubaiyat
Rubaiyat, or quartet, is the plural of rubai, it is an Arabic word which literally means four. Among the forms of poetry, rubai is the name of the genre in which a theme is versified in four lines. Metrically, there are 24 syllables in a Rubai. Also, it is necessary for the rhyming elements to be common in the first, second and fourth hemistiches.
Poet famous for penning the Naat "Aapko Paataa nahin jab aap ko paataa hun"