The Yamuna river, is one of the most-polluted river in India. About 85 percent of the pollution is caused by domestic and industrial sources. The quality of the river is severely affected by the discharge of untreated domestic and industrial effluents.

Discovery and validation of single nucleotide polymorphisms (SNPs) in the human genome is an active area of interest, because of their usefulness in evolutionary and disease-association studies. The researchers have resequenced 70 chromosomes from the Jarawa, a Negrito tribal group inhabiting the Andaman and Nicobar archipelago for a = 10 kb genomic region spanning two genes.