Ranajit Das

This study identifies a fourth ancestral component in Dravidian-speaking tribes, suggesting a Proto-Dravidian ancestry originating around 4,400 years ago, distinct from other known sources.

This paper defines ancient ancestry informative markers (aAIMs) and evaluates methods to identify them, showing a PCA-based method outperforms others in classifying ancient Eurasian populations.

This study uses DNA SatNav to trace the biogeographical origin of South Asian populations, finding ancient admixture between North and South Indian populations around 2300 years ago.

This study reconstructs the phylogenetic history of Pantherine cats using 43 taxa, revealing divergence times and challenging morphology-based subspecies designations.