India, Jan. 15 -- The National Green Tribunal (NGT) has directed the Central Pollution Control Board (CPCB) and other relevant authorities to respond following the death of seven elephants in a train collision near Guwahati last December.

The tribunal took suo motu notice of a newspaper report detailing the incident, which occurred on December 20, 2025, when the Sairang-New Delhi Rajdhani Express struck a herd of elephants.

The NGT has formally included the CPCB, the Assam government through its special chief secretary (environment), the state's principal chief conservator of forests, and the Assam State Pollution Control Board as respondents in the matter.

The tribunal noted that the facts reported in the news raised "substantial ques...