Crowd Disasters in India: Causes and Prevention

Crowd Disasters in India Latest News

• A crowd surge at the Chorbagan Sarbojanin Durga Puja pandal in north Kolkata, killed 19 people and injured around 25, once again spotlighting the risks of large unregulated gatherings in India. 
• Heavy rain, a crowd of pandal-hoppers, and a possible public-address announcement appear to have triggered the deadly crush. 
• A 2014 National Disaster Management Authority (NDMA) report notes that a majority of crowd disasters in India occur at religious places — making this a recurring governance challenge.

Understanding Stampede: It’s Really a Crowd Crush

• What is loosely called a “stampede” is more accurately a crowd crush — a situation where crowd density becomes so high that individuals lose control over their own movement.
• Structural Causes: Weak temporary structures, inadequate barricades, poorly lit stairways, narrow entry/exit points.
• Trigger Events: Fires, electrical failures, security scares, or failures of crowd management.
• Critical NDMA Insight: Deaths usually result not from literal “trampling” but from compressive asphyxia — when people packed tightly together cannot expand their chest to breathe.

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What Went Wrong at Chorbagan?

• Preliminary accounts suggest multiple risk factors converged: 
  • Heavy pandal-hopper crowds when rain began suddenly.
  • People moving forward as some fell, with the crowd behind continuing to press ahead.
  • A Public Address (PA) system announcement that may have intensified the rush.
• Puja committee members and private security personnel have been detained; a SIT (Special Investigation Team) has been formed.
• Following the tragedy, authorities asked other high-footfall pandals to temporarily halt admissions — reinforcing that crowd management is about density per space, not just total attendance.

How Crowd Behaviour Amplifies Risk

• As per NDMA, individual behaviour is influenced by others — a few people jumping a barricade can trigger mass imitation.
• This is not irrational behaviour; it reflects people responding to limited information and to what others around them appear to be doing.
• Announcements Can Backfire: A message meant to warn or disperse people may instead cause simultaneous mass movement, unless carefully worded with managed exit routes.
• Poor Coordination Risk: If police push one crowd in a direction that collides with an incoming stream, the opposing flows can create a dangerous crush.
• Modern crowd science therefore favours communication and community-based management over force-based control.

Lessons From Past Disasters

• Nashik Kumbh (August 2003): 29 killed — caused by barricade pressure, reverse crowd movement, and processions/vehicles sharing pilgrim routes.
• Kalubai Yatra, Mandhardevi, Maharashtra (January 2005): 293 killed — India’s deadliest such tragedy. A Justice Rajan Kochar inquiry found:
  • Wrong crowd estimates
  • Narrow, steep, slippery approach route
  • Illegal vendors (some with gas cylinders) blocking the path
  • No watchtowers, PA systems, or adequate firefighting arrangements
  • Poor inter-agency coordination
• Common Thread: Crowd disasters rarely have one cause — they result from multiple weaknesses (density, constricted movement, poor information, an unexpected trigger, weak coordination) converging simultaneously.

The NDMA Framework for Crowd Control

• The guiding principle is managing demand and capacity:
  • Estimate Demand — based on past attendance, arrival patterns, religious significance, visitor profile.
  • Calculate Capacity — not just of the overall ground, but of critical bottlenecks (narrow lanes, bridges, staircases, entrances).
  • Apply Input Control — restrict or stagger entry when demand exceeds capacity (used at Vaishno Devi and Sabarimala via pilgrim registration).
  • For Unregulated Urban Events (like Durga Puja) — create holding areas, one-way routes, separate entry/exit points, real-time density monitoring, and temporary closures before congestion turns dangerous.
  • Make Waiting Safe Where Capacity Cannot be Increased — through adequate space, lighting, barricading, drinking water, medical facilities, trained volunteers, and clear, panic-free signage.
• As experts put it: “The purpose of crowd management is to ensure that it never reaches the density and disorder at which a small trigger can become a catastrophe.”

Conclusion

• The Kolkata tragedy is a grim reminder that crowd disasters are preventable, not inevitable — they occur when administrative foresight fails to match the scale of human congregation. 
• India’s recurring pattern, from Mandhardevi to Chorbagan, shows that density management, clear communication, and inter-agency coordination matter far more than sheer attendance numbers. 
• As urbanisation and mass religious tourism continue to grow, embedding NDMA’s demand-capacity framework into routine event planning — rather than treating it as a post-disaster lesson — remains the only sustainable path to safer public gatherings.

Source: IE | IE