According to the new data, over 124 Indian mammal species are facing different degrees of extinction threat of which 10 are critically endangered, 39 are endangered, 48 are vulnerable for extinction and 27 are showing sharp decline in population.

"This is the first exhaustive assessment of mammals which includes all the species found in the country. Prominent mammals include several species of primates, especially the many langur species earlier thought to be one single species is now 7 species," said Sanjay Molur, who contributed Indian data for the listing process.