The Unukalhai system - also known as Alpha Serpens Caput - was a star system formerly used by the Tzun Confederacy. They were gone by the time it was colonised by Earth. The sixth moon of Unukalhai IV was terraformed around 2247, and then inhabited by Hindi people. (PROSE: Lords of the Storm)
Indra was a gas giant and fourth planet in the Unukalhai system. It had six moons, two being Raghi and Agni. Airavata were creatures living in Indra's clouds. (PROSE: Lords of the Storm)