With reference to the tiger conservation efforts mentioned in the news, consider the following statements: 1. The tigress strayed into Assam after crossing the Sankosh River. 2. The Sankosh River serves as a geographical boundary between West Bengal and Odisha. 3. The tigress BTR-TF-1 was released from Bihar's Valmiki Tiger Reserve. Which of the statements given above is/are correct?

West Bengal plans to retrieve tigress BTR-TF-1 from Assam after it crossed Sankosh River

GS3Economy · S&T · Environment · Security· Species, protected areas & wetlands· Prelims· 31 October 2026

Trans-boundary wildlife management and inter-state coordination: a GS3 Environment and Ecology case study.

Why in news

The West Bengal government plans to retrieve a three-year-old tigress (BTR-TF-1) from Assam after it crossed the Sankosh River from Bihar's Valmiki Tiger Reserve.

Background

The tigress, identified as BTR-TF-1 (T-138), was released from Bihar's Valmiki Tiger Reserve on October 2, 2026. It strayed into Assam on October 25, 2026, after crossing the Sankosh River.

Facts for Prelims

EnvironmentBTR-TF-1 (T-138) is a three-year-old tigress released from Valmiki Tiger Reserve
PlaceSankosh River serves as a geographical boundary between West Bengal and Assam
PlaceValmiki Tiger Reserve is located in Bihar

Prelims practice question

With reference to the tiger conservation efforts mentioned in the news, consider the following statements:

The tigress strayed into Assam after crossing the Sankosh River.
The Sankosh River serves as a geographical boundary between West Bengal and Odisha.
The tigress BTR-TF-1 was released from Bihar's Valmiki Tiger Reserve.

Which of the statements given above is/are correct?

(a)3 only
(b)1 and 2 only
(c)1 and 3 only
(d)1, 2 and 3

Show answer

Answer: (c) 1 and 3 only — Statements 1 and 3 are correct. Statement 2 is incorrect: The Sankosh River serves as a geographical boundary between West Bengal and Assam.

For Mains

Q. Discuss the challenges of tiger conservation in trans-boundary corridors and the importance of inter-state coordination in wildlife management.

Dimensions to cover in your answer

Inter-state coordination: Jurisdictional hurdles in wildlife rescue and rehabilitation across state borders
Habitat connectivity: Risks of human-wildlife conflict in fragmented corridors between Bihar, West Bengal, and Assam

Keywords: Trans-boundary conservation · Human-wildlife conflict · Wildlife rehabilitation · Inter-state cooperation · Habitat fragmentation

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