Question Details 2023 GS-5 10 Marks

Discuss the social and economic impacts of Brahmaputra river erosion in Assam.

Model Answer

Erosion by the Brahmaputra River has emerged as a major developmental challenge in Assam, distinct from seasonal flooding. The river has already eroded over 4.27 lakh hectares (around 7% of the state’s land), leading to widespread displacement, loss of agricultural land, and severe social and economic distress.

Social Impacts

Displacement and Loss of Homes: Riverbank erosion by the Brahmaputra River forces many families to lose land, houses, and ancestral villages, leading to repeated displacement and social insecurity.

Breakdown of Social Services: Schools, health centres, roads, and community spaces are often washed away, disrupting education, healthcare, and community life. Char–Chapori areas are especially vulnerable due to frequent displacement and loss of documents.

Economic Impacts

Loss of Livelihoods: Continuous erosion of fertile land and fishing areas severely affects agriculture-based livelihoods, pushing many families into poverty and daily wage labour.

Damage to Infrastructure: Repeated erosion damages roads, embankments, and public utilities, forcing the government to spend heavily on repairs and relocation instead of development.

Distress Migration: Loss of land and income forces people to migrate to towns and cities like Guwahati, increasing pressure on urban housing, jobs, and basic services.

Conclusion

Riverbank erosion of the Brahmaputra is a long-term problem distinct from seasonal flooding and causes serious social and economic damage in Assam. Sustainable river management, planned resettlement, and livelihood support are essential to reduce its long-term impacts.

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