In a bid to check encroachments on water bodies in the State, the Madras High Court on Tuesday ordered that GPS/ satellite images of water bodies across districts in Tamil Nadu, as existing on March 15, 2021, be uploaded online by District Collectors by March 17 (Iyarkai Valam Matrum Perumpalla Odai Padukappu Mala Sangam v. The Secretary to the Government and ors).