NEW DELHI: Digital advocacy group Internet Freedom Foundation has written to the CMs of Maharashtra and Chhattisgarh urging them to establish committees to investigate the surveillance software Pegasus , which was allegedly used to scrutinise at least 120 Indians by exploiting a vulnerability in WhatsApp . Those targeted included lawyers and activists related to the Bhima-Koregaon case in Maharashtra and Dalit activists in Chhattisgarh.Pegasus is owned by Israelbased firm NSO, which has reportedly developed a surveillance software to track Covid-19. In a statement, IFF said that although it’s unclear whether NSO approached the Indian government, it is important to be cautious.