Here are a few options, depending on the style you want:

Most direct and standard news headline: Minst nio döda i hotellbrand i Kolkata, Indien

Using a slightly more formal/passive synonym for ”dead” (common in Swedish news): Minst nio omkomna i hotellbrand i Kolkata

Alternative sentence structure (mirrors common Swedish headline style): Hotellbrand i Kolkata: minst nio döda