Aru Shah and the song of death - Roshani Chokshi

Aru is only just getting the hang of this whole Pandava thing
when the Otherworld goes into full panic mode.

The god
of love's bow and arrow have gone missing, and the thief isn't playing
Cupid. Instead, they're turning people into heartless fighting-machine
zombies. If that weren't bad enough, somehow Aru gets
framed as the thief. If she doesn't find the arrow by the next full
moon, she'll be kicked out of the Otherworld. For good.

But, for better or worse, she won't be going it alone. Along with
her soul-sister, Mini, Aru will team up with Brynne, an ultra-strong
girl who knows more than she lets on, and Aiden, the boy who
lives across the street and is also hiding plenty of secrets.

Together
they'll battle demons, travel through a glittering and
dangerous serpent realm, and discover that their enemy isn't at all
who they expected.