New Delhi, Aug. 25 -- India's OTT audiences are no longer bingeing just in Hindi. Regional originals-from Tamil thrillers to Malayalam crime sagas-are steadily climbing the charts, drawing millions of viewers.

year list of top 50 originals published by media consulting firm Ormax underscores this trend. Among the most-watched titles are Tamil fiction series Suzhal - The Vortex season two (8.3 million), Office (5.4 million) and Heart Beat (7 million), Malayalam fiction series Kerala Crime Files season two (6.9 million), Tamil film Test (6.5 million), and Telugu fiction series Devika & Danny (5.2 million).

Shifting audience tastes

Entertainment industry experts say several factors are fuelling this shift. Platforms are gradually investin...