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Case Study: Ready for Scale

When 5× Demand Meets
3-Day Deadlines

How ZenLearn delivered fairness, speed, and scale for a leading Indian university facing unprecedented demand for their Innovation & Entrepreneurship elective

92.5%
Questions Attempted
75%
Mobile Users
93,000
Edge Requests
7%
Peak CPU Usage
The Challenge

5× More Applications Than Available Seats

Birla Institute of Technology, Ranchi faced unprecedented demand for their Innovation & Entrepreneurship elective

Need for fair assessment combining objective and subjective evaluation

Critical 3-day timeline from design to results publication

The Solution

Mobile-First, Scalable Assessment Platform

Edge-first architecture handled traffic surges while keeping origin servers cool

Mobile-optimized experience with 75% of participants accessing via mobile

Real-time dashboards and instant result publication for same-day decisions

Outcomes That Matter

Measurable results that enabled confident decision-making at scale

Higher Engagement

92.5% question completion rate enabled dependable selection decisions

Mobile-First Access

~75% participants used mobile platform, meeting learners where they are

Confidence at Scale

Hundreds served smoothly with observed headroom—ready for thousands

Faster Decisions

Instant explanations and ranked results enabled same-day elective allocation

Technical Excellence

Why It Worked Under the Hood

Advanced architecture and optimization strategies that delivered performance at scale

Edge-First Delivery

Absorbed traffic bursts without overloading origin services

1.26 GB at edge
Optimized Auth

OTP/token flow with caching and graceful back-pressure

240+ concurrency
Auto-scaling

Circuit breakers maintained SLAs under synchronized exam spikes

≤7% CPU, ~48% Memory
"ZenLearn gave us the confidence to run synchronized assessment at scale—without hiccups."
Vishal H Shah
Faculty Advisor, Entrepreneurship Development Cell
Birla Institute of Technology, Ranchi

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