Alan Hovhaness - Two Ghazals for Piano, Op. 36 (1933-66) [Score-Video] 

The Ghazal is a poetic mode that originated in Arabia, not India, though it did spread throughout the Islamic world. The modality of the first movement is based more on Western Persian (again, not Indian) technique. But really, all that Ghazal means here is tone-poem.

Lews Therin Telamon but as a musical form it’s mostly Hindustani, which was music that Hovhaness was interested in from what little I understand of him. I heard his symphony 29 and there are some lovely adaptations of ideas from the khyal idiom.

Tejas Nair It is only in recent years that Poetry was meant to be spoken, rather than sung. And you're right that Hovhaness studied Indian musical forms, but he also devoted considerable study to Arabian and Persian modes and forms, as well as older European modes that had fallen out of use.