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madhadi.com is a free, public knowledge platform for data integrity, computer system validation, equipment qualification, automation systems, QMS, clinical systems, and GxP quality. Written for everyone, from people new to the field through senior program leaders.
What I get from this: nothing, except knowing it helped someone avoid learning things the hard way. That's genuinely enough. If it's not useful to you, the tab close button is right there and there is no 6-step cancellation flow, no passive-aggressive popup, and no email sequence asking why you left. And if something is wrong, outdated, or missing, I actually want to know.
Where are you right now?
Three entry levels, by depth. Pick the one that matches today, not the one you aspire to. Each opens onto a guided track.
- 01Follow the 9-step Foundations track →Beginner
New to GxP or quality
You've heard terms like GMP, FDA, data integrity, or validation and want to understand what they mean and why they matter.
Start with these three - 02Follow the 14-step Implementation track →Intermediate
Practitioner building or inheriting systems
You're validating systems, writing SOPs, running audits, or implementing quality programs and need operational depth.
Start with these three - 03Follow the 14-step Advanced track →Advanced
Senior practitioner or program leader
You're designing DI programs, preparing for FDA/EMA inspections, handling 483 responses, or building CSV governance from scratch.
Start with these three
What's your job?
The same regulation looks completely different depending on what you do every day. Start with your role.
CSV / Validation Specialist
Data Integrity Specialist
QMS / Quality Systems
Inspection Readiness
Equipment / Instrument Qualification
Clinical Quality Assurance
Manufacturing / Automation
New to the Field / Career Switcher
What this site is, and is not.
- Free, public educational content on GxP quality and data integrity
- Based on publicly available regulatory guidance, laws, and standards
- Written at three levels: beginner, intermediate, and advanced
- Structured learning paths with specific recommended reading sequences
- Interactive tools, checklists, decision aids, error simulators
- Practical framing: what to do, why, what can go wrong, what regulators care about
- Content distinguishes between legal requirements, regulatory expectations, and best practices
- Not legal or regulatory advice, do not rely on it as a substitute for qualified consultation
- Not a guarantee that following any content will satisfy regulatory requirements
- Not company-specific, all content uses generic, public examples
- Not always current, regulatory guidance evolves; always verify against primary sources
- Not a template repository, content here requires adaptation to your context
- Not affiliated with any regulatory agency, pharmaceutical company, or trade association
Most useful pages.
- 01 Open →Learning TracksStructured 9-14 step sequences for Foundations, Implementation, and Advanced levels
- 02 Open →7-Day Learning PathsDay-by-day plans with specific tasks, success criteria, and practical outputs
- 03 Open →Error SimulatorReal GxP scenarios where you make decisions. Wrong answers are shown, learn from them.
- 04 Open →GlossaryPlain-language definitions for 70+ GxP, DI, CSV, and quality terms
- 05 Open →Tools and ChecklistsInteractive ALCOA+ assessment, GAMP category decision aid, 483 completeness check
- 06 Open →Regulatory ReferencesCurated index of FDA, EMA, MHRA, ICH, PIC/S, and WHO guidance relevant to GxP quality