A name of usually Argentinian/Indian derivation, in Argentina the name means "The passionate one", and is used as an everyday term, as a complement to little girls.
In Indian derivation, the name due to it's length, is usually used for royalty.
it means the 'graceful one'/sunshine
However normally girls with this name are far from graceful, and are bright (argh), loud and fun to be around.
e.g. You're the Tejasvita in my life.