the post-graduate teaching department of ancient indian history culture & archaeology, rashtrasant tukadoji maharaj nagpur university (rtmnu), has discovered a prehistoric rock art site in wainganga basin of bhandara district recently. this is the second discovery of painted rock art boulders, including a couple of ancient rock shelters, from the upper palaeolithic period (40,000 years before the common era) to the historical period (4-5 century common era) in vidarbha.