How to fix infinite bootloop problem in rooted karbonn Sparkle V

I have **Karbonn Sparkle V** and it has **marshmallow** before I root it. when I root my phone using **Android One toolkit**, its restart my phone after showing message rooting completed. But when it restarts phone stuck on boot display and after that, I try to recover my phone via recovery mode nevertheless problem persists. Someone plz help and thanks in advance.