Eh, they're not really her style. They can't bring a physical threat on anything near her level, and as terrorists, there's nothing in their MO that she couldn't stop them from pulling off just by beating the crap out of the lot of them. They're going to blow something up? Beatdown. They've kidnapped someone? Beatdown. They're doing some kind of dangerous magical ritual? Beatdown. They've brainwashed someone? Beatdown plus lasso.
Now, you could upgrade their threat level - make it more, "the Kali-Yuga is to terrorists as Intergang is to the mob" sort of thing. Intergang is, after all, originally a Superman foe, and thematically the Kali-Yuga would be their perfect Wonder Woman equivalent. So that would actually be a pretty cool and fitting idea. (And hey, it'd be an excuse for more involvement with the Vedic pantheon and Rama.) It'd take a lot of work to establish them as that badass, though, and even more work to make it stick.