Coastal sand mining, whether legal or illegal, poses one of the biggest threats to our environment. Analyze the impact of sand mining along India’s coasts, citing specific examples.

Introduction: India's beaches hold heavy-mineral 'placer' deposits — ilmenite, monazite, zircon, garnet and rutile — alongside construction-grade sand. Their extraction, whether licensed or illegal, removes the very sediment that keeps a coast in dynamic equilibrium, so the environmental damage is broadly similar regardless of legal status.

Body:

• Geomorphic damage: Sand is a coast's natural buffer and store. Mining it disrupts the sediment budget, accelerates beach erosion and shoreline retreat, lowers the water table, and lets seawater intrude into coastal aquifers and adjoining farmland, leaving land unfit for cultivation.
• Ecological harm: Dredging and pit-digging raise water turbidity, smother seagrass meadows and bottom-dwelling life, and destroy nesting beaches — Olive Ridley turtles along Odisha and Tamil Nadu lose breeding habitat. The loss of protective sand banks and dunes weakens the natural defence against storm surges and cyclones, undercutting near-shore fisheries that coastal communities depend on.
• Socio-economic and radiological angle: Monazite carries radioactive thorium, raising radiation and health concerns near mined belts. Decades of heavy mining at Chavara (Kerala) and around Manavalakurichi (Tamil Nadu) have been linked to coastal recession and groundwater stress, directly hitting fishing livelihoods.

Conclusion: The 2023 push for offshore sand mining off Kerala shows the pressure is only growing. The regulatory frameworks already exist — the CRZ Notification and the Sustainable Sand Mining Guidelines — so the real task is rigorous sediment auditing, replenishment monitoring and firm action against illegal extraction.