# Questo — AI Handwritten Answer Evaluation & CBSE Board Test Series

> AI-powered CBSE Class 8–12 exam preparation with step-by-step handwritten answer evaluation, NCERT textbook page citations, and zero-PII parent diagnostic reports.

Students do not lose marks because they lack conceptual knowledge—they lose marks because they omit intermediate steps, mislabel ray diagrams, or drop units. Questo provides CBSE examiner-level scrutiny on student handwritten answer sheets in 60 seconds.

## Table of Contents
- [Core Value Proposition](#core-value-proposition)
- [4-Factor Step Marking Engine](#4-factor-step-marking-engine)
- [Curriculum Test Series](#curriculum-test-series)
- [Parent Diagnostic Reports](#parent-diagnostic-reports)
- [Pricing & Subscription Plans](#pricing--subscription-plans)
- [Company & Contact Details](#company--contact-details)
- [Legal & Privacy](#legal--privacy)

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## Core Value Proposition
- **Phone Camera Friendly:** Students simply photograph their handwritten solutions using any smartphone.
- **Examiner Step Rubric:** Evaluates algebraic substitutions, formula steps, ray diagram arrows, and final unit boxes.
- **NCERT Grounded:** Every corrective suggestion cites the exact NCERT textbook page number.
- **Zero-PII Privacy:** Strict data protection ensuring student identity and answers are never used for public training.

## 4-Factor Step Marking Engine
1. **Step Accuracy:** Verifies algebraic validity and intermediate formula derivations.
2. **Diagram Precision:** Checks ray arrows, circuit symbols, and biological structure labels.
3. **Presentation Clarity:** Ensures given data, step-by-step substitutions, and boxed answers follow official CBSE guidelines.
4. **NCERT Alignment:** Direct textbook citations for instant doubt resolution.

## Curriculum Test Series
- **[CBSE Class 10 Mock Test Series](https://questo.in/cbse-class-10-test-series):** Full-length timed mock tests for Science, Mathematics, and Social Science with step-wise marks breakdown and model answer comparisons.
- **[CBSE Class 12 Test Series](https://questo.in/cbse-class-12-test-series):** Rigorous board exam simulations for Physics derivations, Chemistry mechanisms, Mathematics calculus proofs, and Biology diagrams.
- **[Handwritten Answer Evaluation Studio](https://questo.in/handwritten-answer-evaluation):** Upload sample sheets and receive examiner-grade feedback in 60 seconds.
- **[NCERT Revision Hub](https://questo.in/ncert-question-bank-revision):** Chapter-wise question banks, flashcards, and summary notes mapped to CBSE syllabus.
- **[Answer Presentation Guide](https://questo.in/cbse-answer-presentation-guide):** Comprehensive rubric guide on securing maximum step marks.

## Parent Diagnostic Reports
- **Weekly Progress Visibility:** Plain-English reports explaining whether mark deductions came from careless calculation slips or conceptual gaps.
- **NCERT Page Recommendations:** Clear revision tasks directing students to exact textbook paragraphs.
- **[View Sample Parent Report](https://questo.in/parent-diagnostic-reports)**

## Pricing & Subscription Plans
- **7-Day Free Trial:** Free evaluation of 3 handwritten answer sheets and 1 mock test paper.
- **Single Subject Plus Pass (₹1,200/term):** Unlimited chapter quizzes, 5 full-length mock tests, step evaluation, and NCERT citations for one chosen subject.
- **All-Subjects Combo Bundle (₹3,499/term):** Complete coverage across all subjects for Class 10 or 12, unlimited evaluations, parent WhatsApp diagnostics, and priority grading.
- Details: [https://questo.in/pricing](https://questo.in/pricing)

## Company & Contact Details
- **Company Name:** Questo (Questo Education Technologies Private Limited)
- **Website:** [https://questo.in](https://questo.in)
- **About Us:** [https://questo.in/about](https://questo.in/about)
- **Customer Support Email:** [innovations@questo.in](mailto:innovations@questo.in)
- **Contact Page:** [https://questo.in/contact](https://questo.in/contact)
- **Location:** Chennai, Tamilnadu, India

## Legal & Privacy
- **Privacy Policy:** [https://questo.in/privacy](https://questo.in/privacy) (Strict Zero-PII Guarantee)
- **Terms of Service:** [https://questo.in/terms](https://questo.in/terms)
- **Robots Directives:** [https://questo.in/robots.txt](https://questo.in/robots.txt)
- **LLM Index:** [https://questo.in/llms.txt](https://questo.in/llms.txt)
- **MCP Server Card:** [https://questo.in/.well-known/mcp/server-card.json](https://questo.in/.well-known/mcp/server-card.json)