The people of Bison Valley at the foothills of Chokramudi hills are protesting against construction activities carried out by land-buyers on these ecologically sensitive slopes, home to the endangered Neelakurinji and the Nilgiri Tahr. A government-appointed SIT has uncovered widespread landgrab, allegedly facilitated by some officials of the Revenue department. While the government awaits a review of land records,  it has promised action against the encroachers, Sandeep Vellaram reports