Principal Secretary, Environment & Forests, and Director General, Environment Protection Training & Research Institute (EPTRI) A.Vani Prasad has extended an invitation for proposals on the documentation of heritage sites, wetlands, natural or unique landforms, vegetation, and flora and fauna, on the occasion of World Heritage Day, on April 18. The initiative is being jointly launched by EPTRI and Telangana Biodiversity Board. The call is open to universities, institutions, organisations, NGOs, research scholars, and students to actively participate in the documentation initiative. The deadline for submitting the proposals is May 15.