The NRIs (Assamese) in USA who have expressed deep concern on the increasing incidents of rhino poaching in Assam, have been preparing a white paper on the sensitive issue, disclosed Rajen Barua, the chief office-bearer of the Friends of Assam & Seven Sisters (FASS). Barua also emphasized the necessity for more awareness among the people and their perennial cooperation to save the endangered one-horned rhinos in the region.