Explanation: The National Green Tribunal (NGT) has issued notices to the Ministry of Environment, Forest and Climate Change (MoEFCC), Oil India Limited (OIL) and two concerned state entities to explain how environmental clearances for the seven proposed drilling sites in the Dibru- Saikhowa National Park were given.

• Dibru-Saikhowa is a National Park as well as a Biosphere Reserve situated on the south bank of the river Brahmaputra in Assam.
• The forest type of Dibru-Saikhowa comprises semi-evergreen forests, deciduous forests, littoral and swamp forests and patches of wet evergreen forests.
• It is an identified Important Bird Area (IBA), notified by Birdlife International. It is most famous for the rare white-winged wood ducks and feral horses.

Source: FORUMIAS