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Course guide
UPI & Payment Scams: Spot Them Before You Pay
The one rule behind almost every UPI scam, the tricks built on it - fake QR codes, fake payment screens, AutoPay traps - and exactly what to do in the first hour if money has gone.
35 min read · Verified 13 September 2026Download PDF
Scam guide
Digital Arrest Scam: What It Is and What to Do
"Digital arrest" does not exist in Indian law. How the fake police, CBI and customs calls work, the signs, and the three steps to take - Stop, Think, Take action - including if you have already paid.
8 min read · Verified 16 September 2026Download PDF
Money & work
Earn Money Online in India: Genuine Ways, and the Scams Dressed Up as Them
Freelancing, tutoring, selling, content creation, online tasks and investing: what each really involves, the scam that copies it, and seven questions to ask before you start anything.
12 min read · Verified 16 September 2026Download PDF
Money & work
Fake Loan Apps: How to Spot Them, and What to Do if One Is Harassing You
Six signs a loan app is fake or illegal, taken from RBI’s Digital Lending Directions, 2025, what to check before you borrow, and what to do if an app is threatening you or messaging your contacts.
9 min read · Verified 17 September 2026Download PDF
Phone safety
Sanchar Saathi: Report Fraud Calls, Block a Lost Phone, Check SIMs in Your Name
How to use the government's free Sanchar Saathi portal and app: report fraud calls on Chakshu, block a lost or stolen phone, check the mobile connections in your name, and check a phone before you buy it.
7 min read · Verified 17 September 2026Download PDF
Course guide
Digital Arrest & Impersonation Calls: When Someone Official Demands Money
Fake police, CBI, TRAI and courier calls, the relative "in custody", and the boss on WhatsApp: how each works, the one question that exposes them all, and what to do if you have already paid.
30 min read · Verified 18 September 2026Download PDF
Course guide
WhatsApp, SMS & Fake-KYC Fraud: Spot the Message Before You Tap
Fake KYC warnings, SMS links, files that install malware, fake bills and fines, and WhatsApp takeovers: how to read who really sent a message, and what to do before you tap anything.
30 min read · Verified 18 September 2026Download PDF
Course guide
Passwords & Account Security: Keep Your Accounts Yours
Most accounts are taken through a reused password, a fake login page, a shared code or an unlocked phone. Close each of those doors, and know exactly what to do if an account is taken over.
25 min read · Verified 18 September 2026Download PDF
Course guide
Deepfake & Investment Scams: When the Face, the Voice and the Profits Are Fake
AI-made videos and voices, celebrity "recommendations", stock-tips WhatsApp groups and fake trading apps: how they work together, how to check an investment before you pay, and where to report.
30 min read · Verified 18 September 2026Download PDF
AI basics
Popular AI Chatbots and LLMs Compared: ChatGPT, Gemini, Claude, DeepSeek and More
What GPT, Gemini, Claude, Llama, Mistral, DeepSeek, Qwen, Grok and Sarvam are, who makes them, what each is good and bad at, how to choose one, and how to stay safe using any of them.
15 min read · Verified 11 October 2026Download PDF
AI basics
How AI Models Work: From Data to Answers, Without the Maths
What AI and machine learning really are, how a model learns from data, how it makes a prediction, the kinds of models you meet every day, and why they sometimes get things badly wrong.
20 min read · Verified 8 October 2026Download PDF
AI basics
Large Language Models (LLMs): How ChatGPT-Style AI Reads, Writes and Gets Things Wrong
What a large language model is, how it writes one token at a time, how it is trained, how to prompt it well, why it hallucinates, how to choose one, and what happens to the data you type in.
20 min read · Verified 8 October 2026Download PDF
AI basics
RAG Explained: How AI Answers From Your Own Documents
How an AI assistant answers from your own documents: chunking, embeddings, semantic search, building the prompt, citations, where RAG goes wrong, and when to use it instead of fine-tuning.
20 min read · Verified 8 October 2026Download PDF
AI basics
Agentic AI Explained: When AI Takes Actions, and the Guardrails It Needs
How AI agents plan and act with tools, how they connect to apps and data, how memory and multi-agent teams work, the new ways agents go wrong, and the guardrails that keep them safe.
20 min read · Verified 8 October 2026Download PDF
AI basics
Using AI Safely and Responsibly: Privacy, Bias, Honesty and AI Scams
Protect your data when using AI, check what it tells you, notice bias, use AI honestly at study and work, recognise deepfakes and AI-powered scams, and apply a simple personal checklist.
20 min read · Verified 8 October 2026Download PDF
App reviews
UPI Apps Compared on Safety: Google Pay, PhonePe, Paytm and BHIM
Which UPI app is safest? The rules every app follows, how Google Pay, PhonePe, Paytm and BHIM differ, the settings to switch on, and what to do if something goes wrong.
12 min read · Verified 17 October 2026Download PDF
App reviews
Password Managers Compared: Google, Apple, Bitwarden, Proton Pass and 1Password
What the popular password managers cost, what each does well, which suits Android, iPhone and mixed families, the lesson of the LastPass breach, and how to get started safely.
12 min read · Verified 17 October 2026Download PDF
App reviews
Messaging Apps Compared on Privacy: WhatsApp, Signal, Telegram and Arattai
Which messaging app keeps your chats private? End-to-end encryption, backups and metadata in WhatsApp, Signal, Telegram and Arattai, the settings to switch on, and the scams to watch for.
12 min read · Verified 17 October 2026Download PDF
Python for AI
Python First Steps: Your First Lines of Code, No Experience Needed
What programming is and why Python is the language of AI, running Python free in your browser, print, variables, numbers, text and True/False, and reading error messages.
20 min read · Verified 20 October 2026Download PDF
Python for AI
Python Lists, Decisions, Loops and Functions
Hold many values in lists and dictionaries, make decisions with if, repeat work with loops, package steps into functions, and combine them into a small real program.
20 min read · Verified 20 October 2026Download PDF
Python for AI
Working with Data in pandas: Load, Explore, Clean and Summarise
Build and load tables, look at them, filter rows, sort, add calculated columns, summarise by group, handle missing values and draw a quick chart with pandas.
20 min read · Verified 20 October 2026Download PDF
Python for AI
Your First Machine Learning Model in Python with scikit-learn
Features and labels, training and test sets, fitting a decision tree, reading the rules it learned, measuring accuracy honestly, and using models responsibly.
25 min read · Verified 20 October 2026Download PDF
Python for AI
Using AI Models from Python: Open Models, APIs, Safe Keys and a Tiny RAG
Run a ready-made open model, call a hosted model through an API, keep API keys safe, build prompts and validate replies in code, and build a tiny RAG in plain Python.
25 min read · Verified 20 October 2026Download PDF