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Class 9โ12 notes, free AI tools and simple study tips, made in Prayagraj for students everywhere.
โข It happens in the chloroplasts.
โข Output: glucose and oxygen.
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3D Science Lab
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How it works
Pick your class
Choose Class 9 to 12 and your subject.
Read or use a tool
Open short notes or try a free tool.
Revise and practice
Plan your week, focus, and score higher.
Why choose PrayagrajStudyHub
Fast and light
Pages load quickly, even on slow mobile data.
Free forever
No login, no fees and no hidden paywalls.
Clear and accurate
Notes are short, simple and checked for mistakes.
Useful tools
Planner, timer and calculator built for students.
Works on phone
Designed for phones first, then laptops.
What students say
โThe planner made my timetable simple and realistic.โ
Aarav, Class 10
โShort notes, no clutter. I revised the full Maths syllabus.โ
Priya, Class 12
โThe focus timer helped me study without my phone.โ
Rohan, Class 11
Frequently asked questions
Is PrayagrajStudyHub really free?
Yes. All notes and tools are free to use. There is no login, no fee and no hidden paywall.
Which classes are covered?
We cover Class 9, 10, 11 and 12, with notes for Science, Maths, SST, Commerce and Arts.
How can I request a chapter?
Send us a message from the Contact page with your class, subject and chapter name. We will add it as soon as we can.
Are the notes for UP Board or CBSE?
The notes follow the NCERT syllabus, so they work for CBSE and are also useful for UP Board students.