Books & Interactive Media

Casebooks, activity products and practical media built to be used

Dishantra develops selected publishing and interactive-media products where the experience itself creates value beyond free information.

We launch only products that pass demand, substitution, originality, usability and why-pay checks. This is not a generic PDF catalogue.

Now availableThe Hard Case Files — Advanced Detective MysteriesDigital edition · ₹99 introductory price

First commercial title

Advanced detective solving

Evidence-led cases designed for adults, older teens and experienced puzzle solvers.

Digital edition available

32 original fair-play investigations with progressive hints, structured workspaces and complete reasoning walkthroughs.

₹99 introductory digital price

Explore the casebook →

Free guide

Learn the evidence → constraint → elimination → conclusion method before deciding whether the full casebook is for you.