A satellite-linked fire alert system developed by NASA was on trial in _____ and turned out to be an effective tool in saving wildlife and bio-diversity from forest fires.

The satellite-linked fire alert system was trialed in Madhya Pradesh (Option B). NASA had developed this system to detect forest fires early using satellite imagery, which proved effective in protecting wildlife and biodiversity. The system was particularly tested in Madhya Pradesh's forest-rich areas including places like Bandhavgarh. Options A, C, and D represent other Indian states but were not the trial location for this specific NASA system.