APSC Answer Writing (Daily) based on Assam Tribune – 24/09/2026

For APSC CCE and other Assam Competitive examinations aspirants, practicing Daily Answer Writing is vital. This blog covers the most important Main question and its model Answer from the Assam Tribune today (24-09-2026).

Q. “Riverbank erosion in Assam is not merely a geomorphic hazard but a compounding socio-economic disaster.” Analyze this statement in light of recent satellite data. Discuss the institutional measures taken and suggest a multi-hazard, basin-level framework to address this challenge. (250 words, 15 Marks)

Introduction

According to a recent NESAC satellite study (2016–2024), riverbank erosion in Assam permanently wiped out 67,580 hectares of land—nearly 45% of which was highly productive agricultural land—directly threatening SDG 1 (No Poverty) and SDG 2 (Zero Hunger).

Body

1. Riverbank Erosion: A Compounding Socio-Economic Disaster

While floods temporarily inundate, erosion permanently removes the physical and economic base of rural communities.

Geomorphic & Ecological: The highly braided, sediment-heavy Brahmaputra, coupled with intense monsoon discharge and tributary inflows, causes rapid and irreversible channel migration.
Economic Ruin (Agriculture): Permanent loss of cultivable land drastically reduces agricultural output, forcing asset depletion and fragmentation of remaining landholdings.
Mass Displacement & Social Crisis: It creates internal “climate refugees,” leading to landlessness, loss of community assets, and severe stress on state rehabilitation resources.
Infrastructure Collapse: Critical rural infrastructure—embankments, schools, and PMGSY roads—are routinely washed away.
- Assam Example: In 2026, severe erosion by the Subansiri river permanently destroyed eight revenue villages in Lakhimpur, displacing thousands.

Flow of Impact:

[Geomorphic Hazard] ➔ [Loss of Farmland] ➔ [Asset Depletion] ➔ [Mass Displacement] ➔ [Socio-Economic Disaster]

2. Institutional Measures Taken by the Government

CRBIFRERMP Framework: Backed by ADB (with an additional $182M financing in Feb 2026), this project integrates structural and non-structural flood and erosion risk management.
Dedicated Agencies: FREMAA (Flood and River Erosion Management Agency of Assam) acts as the nodal agency for holistic river management.
Technological Integration: The Assam Water Resources Department actively uses NESAC satellite imagery and GIS for real-time bank-line mapping and hotspot identification.
Structural Interventions: Extensive deployment of RCC porcupines, boulder revetments, and sand-filled geo-bags.
- Assam Example: Successful use of dampeners and geo-bags in Rohmoria (Dibrugarh) for critical bank protection.

3. Suggested Multi-Hazard, Basin-Level Framework (Way Forward)

To move beyond fragmented, site-specific engineering, a basin-wide approach is crucial:

Component	Strategic Intervention
Integrated Planning	Shift from isolated engineering to a basin-scale model managing the Brahmaputra, tributaries (Manas, Beki), and floodplains together.
Nature-Based Solutions	Implement bio-engineering and riparian vegetation restoration alongside hard engineering (e.g., current IIT Guwahati pilot projects).
Scientific Zonation	Utilize GIS-based vulnerability mapping to prioritize high-risk agricultural zones and strategic settlements for preemptive protection.
Livelihood Rehabilitation	Institutionalize land-for-land policies, crop-loss compensation, and skill development for displaced populations.

Conclusion

Transitioning from reactive flood-relief to proactive basin-scale risk management—anchored in satellite-based remote sensing and community-centric rehabilitation—is imperative to secure Assam’s ecological stability and rural economy.

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