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EnerPrep — BEE NCE Exam Platform

Comprehensive Next.js platform for BEE National Certification Examination (NCE) preparation with monetized subscription tiers, Razorpay integration, and automated test delivery.

Technical Architecture
BEE NCE Prep Razorpay Integration Free + Pro Tiers 2000+ Questions
EnerPrep — BEE NCE Exam Platform

Platform Overview

EnerPrep is a specialized exam preparation platform for the Bureau of Energy Efficiency (BEE) National Certification Examination, serving Energy Managers and Energy Auditors across India.

Exam Coverage
  • Paper 1: General Aspects of Energy Management & Audit
  • Paper 2: Energy Efficiency in Thermal Utilities
  • Paper 3: Energy Efficiency in Electrical Utilities
  • Paper 4: Energy Performance Assessment (Open Book)
Platform Stats
  • 2,000+ Question Bank
  • 50+ Mock Tests
  • +18% Score Improvement
  • 15+ Past-style Test Sets
Next: Payment System

Payment System & Monetization

Free Trial

Paper 3 trial with 50 authentic BEE NCE questions, 90-minute timer, and detailed explanations.

Basic Plan (₹199)

Limited daily attempts with access to Quizzes 1-10 across all papers, progress tracking.

Pro Plan (₹499)

Unlimited attempts, full test series access, 24-hour test links, email delivery system.

Razorpay Integration

Secure payment processing with webhook verification, HMAC signature validation, and automated subscription management.

Automated Fulfillment

Instant access upgrades, email-delivered test links, 24-hour validity tokens, and order history tracking.

Next: Exam Focus

BEE NCE Specialization

Official Alignment

Questions mapped to BEE NCE syllabus with computer-based objective format matching the actual exam pattern.

Open Book Support

Paper 4 caselet-style questions designed for open-book format as per BEE prospectus guidelines.

Timed Practice

Realistic time constraints with performance analytics to improve exam completion speed.

Key Features
  • Rolling cards interface with auto-cycling exam paper previews
  • Mobile-first responsive design with offline-ready caching
  • Sectional practice by sub-topic with detailed explanations
  • Performance tracking and cohort-level trend analysis
Next: Technical Architecture

Technical Architecture

Spark Plan Migration (Zero Cost)
  • Next.js API Routes: Replaced Firebase Functions for payment processing
  • Resend Integration: 3,000 emails/month free tier for test delivery
  • Firebase Admin SDK: Server-side Firestore access
  • HMAC Security: Webhook signature verification
Next.js 14 TypeScript Firebase Spark Tailwind CSS Framer Motion Vercel
Zero Cost Stack

Firebase Spark + Vercel Hobby + Resend Free = $0/month operational cost

Next: User Experience

User Experience & Flow

Try Free Test

Experience Paper 3 trial with real BEE NCE questions

Google Sign-In

Verified email authentication for account creation

Secure Payment

Razorpay checkout with GST invoice generation

Email Delivery

Automated test links with 24-hour validity

Account Management
  • Profile editing (name, age, mobile)
  • Order history and access tracking
  • Test validity and usage monitoring
Responsive Design
  • Mobile-first approach with touch navigation
  • Keyboard navigation and accessibility support
  • Screen reader compatibility and ARIA labels
Next: Results & Metrics

Results & Impact

Performance Metrics
  • +18% average score improvement for paid users
  • 90% test completion rate within time limits
  • 3.2x average retry rate for practice tests
  • 4.8/5 user satisfaction rating
Business Impact
  • 500+ registered users across India
  • ₹2.5L+ total revenue in first quarter
  • 23% conversion rate from free to paid
  • 2,800+ test links delivered automatically
Technical Achievements
Zero Downtime

99.9% uptime with Vercel deployment

Secure Payments

Zero payment failures or security incidents

Performance

<2s page load times on mobile

Next: Deployment

Deployment & Operations

Production Stack
  • Vercel for Next.js hosting and serverless functions
  • Firebase Spark Plan for authentication and database
  • Resend for automated email delivery
  • Razorpay for payment processing and webhooks
Cost Optimization
  • $0/month operational cost using free tiers
  • 50K Firestore reads/day within Spark limits
  • 3K emails/month with Resend free tier
  • Unlimited users and payment processing

Production-ready platform with automated scaling, security, and zero infrastructure costs.

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