IBS9 — Intelligent Question Studio
IBS9 Intelligent Question Paper Studio

Create Professional Question Papers in Minutes.

Generate, customize and download examination papers with separate answer sheets for every education level.

Bengali & English UnicodeSeparate Teacher SolutionsVector Print PDF Quality

Engineered for Modern Academic Rigor

From primary school tests to rigorous engineering and civil service mock examinations.

AI-Powered Question Generation

Formulate syllabus-aligned question papers for School (Class I–XII), Competitive exams, and Higher Education.

Separate Answer Sheets

Automatically generate an independent teacher answer sheet with step-by-step solutions and marking rubrics.

Advanced PDF Customization

A4 & A5 formats, single/double column layout, watermark protection, and custom margin control.

Bengali & English Support

Complex script OpenType shaping powered by HarfBuzz, guaranteeing authentic conjuncts and matras.

Premium Academic Typography

Noto Sans Bengali, Noto Serif Bengali, Hind Siliguri, Merriweather, and Source Sans 3 fonts.

Teacher & Institution Branding

Seamlessly embed your school logo, teacher designation, signature, and official header details.

Competitive Exam Templates

Pre-calibrated test structures for NEET, JEE Main & Advanced, WBCS, WBPSC Clerkship, and University.

Secure Teacher Workspace

Isolated question bank, student batch management, and encrypted document storage with Row-Level Security.

About IBS9 Studio

Our Genesis: Reclaiming the Teacher's Most Precious Resource

Built by educators for educators. IBS9 is the comprehensive studio designed to streamline academic paper creation, vernacular typesetting, and mathematical precision.

Vernacular Typography

HarfBuzz-powered Bengali shaping without broken conjuncts.

Teacher IP Isolation

PostgreSQL RLS ensures complete private question confidentiality.

Mr. Aritra Hatai
Founder

Mr. Aritra Hatai

Founder & Chief Assessment Architect

IBS9 Intelligent Question Studio

“An alumnus of the University of Calcutta, Mr. Aritra Hatai holds an M.Sc. and B.Ed. in Physics, with 16 years of experience in coaching, teaching, and the education sector. A passionate educationist, he is driven by innovation and technology-led transformation in education.”

Academic LeadershipView Profile
Trusted by Leading Educators & Schools

What Academic Leaders Say About IBS9

Used by school faculties, coaching mentors, and university departments to formulate high-standard examination papers.

Physics

"IBS9 has revolutionized how our department prepares Class XII Physics pre-board exams. The mathematical typesetting and sharp vector diagrams are of genuine publishing quality."

Dr. Arnab Mukherjee

Senior Physics Faculty

South Point High School, Kolkata

Chemistry

"The organic reaction mechanisms, SMILES parser, and stereochemistry structures render with textbook precision. Generating separate answer keys with rubrics saves our faculty 8+ hours weekly."

Smt. Sunita Banerjee

HOD Chemistry

Delhi Public School, Ruby Park

Mathematics

"Matrices, calculus differentials, and Bengali mathematical notations render harmoniously. The dual student paper and teacher answer sheet system is simply indispensable."

Prof. Subhashis Roy

Department of Mathematics

Presidency Academic Foundation

NEET / JEE

"Creating multi-set mock papers (Set A, B, C) with automated shuffling and strict syllabus isolation has transformed our entrance test coaching operations."

Anirban Ghosh

Director & Academic Lead

Apex NEET & JEE Academy

Biology

"The bilingual Bengali and English complex script shaping is flawless. HarfBuzz ensures conjuncts and matras never corrupt, giving our students authentic regional examination papers."

Debalina Sen

PGT Biological Sciences

Modern High School for Girls

Transparent, Academic-Friendly Pricing

Pay per generation or save with monthly and annual subscriptions. No hidden fees.

Pay-as-you-go

Pay per generation without commitment

₹25/ generation
Generation Quota:1 Papers
  • 1 Complete Paper + 1 Answer Key
  • Standard PDF Export
  • Basic Customization

Monthly Pro

Ideal for active individual teachers

₹199/monthly
Generation Quota:15 Papers
  • 15 Question Papers & Answers / month
  • Teacher Branding & Logo
  • Paper History & Storage
  • Standard PDF Templates
Most Popular

Annual Premium

Best value for serious educators and tutors

₹999/annual
Generation Quota:75 Papers
  • 100 Question Papers & Answers / year
  • Advanced PDF Customization Studio
  • Saved Question Bank
  • Multiple Templates & Sets
  • Internal Choice & Bengali Shaping

Institutional Unlimited

Unlimited generation for coaching centres and schools

₹9999/annual
Generation Quota:Unlimited (FUP)
  • Unlimited Papers subject to FUP
  • Advanced PDF Studio & Branding
  • Priority AI Processing
  • Multiple Institution Profiles
  • Advanced Question Bank