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Case Study Dec 22, 2025 8 min read

Case Study: How IIT Delhi Uses T.A.L.A. for Exam Security

Author: Team T.A.L.A.. Edited for clarity and security accuracy.

Article highlights
  • Time-locked delivery and trust-minimized storage.
  • Auditability, encryption, and policy enforcement.
  • Practical guidance for secure exam operations.
Security focus Readable summary

The Challenge

As one of India's premier engineering institutes, IIT Delhi manages thousands of exams annually. With high-stakes placements and scholarships on the line, exam security is paramount.

However, their previous system relied on physical security and manual coordination—expensive, cumbersome, and not foolproof.

The Decision

In September 2024, IIT Delhi became an early adopter of T.A.L.A., integrating it into their exam administration process. The goals were:

  • Eliminate paper leaks
  • Reduce administrative overhead
  • Improve audit trails for accreditation
  • Enhance student and parent confidence

Implementation

Phase 1 (Week 1-2): Training and onboarding. IIT Delhi's exam coordinator trained on vault creation, document management, and access control.

Phase 2 (Week 3-4): Pilot program. 5 exams across different departments were secured using T.A.L.A.

Phase 3 (Week 5+): Full rollout. All subsequent exams use T.A.L.A.'s secure platform.

Key Metrics

Security: Zero exam paper leaks across 200+ exams administered (6+ months)

Efficiency: 80% reduction in time spent on manual document management

Compliance: Full audit trail for accreditation bodies. Every access logged and timestamped.

Cost: ~$50/month for all exams vs. $5,000+/month for traditional security

Student Feedback

"The system is transparent. We can see our exams are secure without any hidden processes." – Amit K., Final Year Student

"No more rumors about paper leaks. The confidence level has increased significantly." – Priya G., Department Head

Broader Impact

Following IIT Delhi's success, 15+ other Indian institutions have inquired about T.A.L.A., including:

  • IIT Bombay
  • Delhi University
  • Ashoka University
  • BITS Pilani

Lessons Learned

1. Education Institutions Value Transparency

When exams are secured at the protocol level (not just by company promises), institutions feel more confident.

2. Blockchain is Not Just For Finance

The immutability and transparency of blockchain provide massive value in sectors like education.

3. Cost Matters

A 100x cost reduction (vs. traditional systems) was the deciding factor for IIT Delhi's adoption.

What's Next for IIT Delhi

They're planning to extend T.A.L.A. to:

  • Transcript management and verification
  • Thesis and dissertation storage
  • Grade verification for employers

This is just the beginning.

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Case Study: How IIT Delhi Uses T.A.L.A. for Exam Security | T.A.L.A. Blog