About TestLab

TestLab is a focused diagnostic tool for candidates preparing for Tamil Nadu Public Service Commission (TNPSC) examinations. It is a product of SothanAI, operated by Precisedatum Ai Solutions Private Limited.

What we do

Most aspirants revise everything equally — and waste time on topics they already know. TestLabflips that: take a structured, per-subject diagnostic, and get a clear report of exactly which units and topics are dragging your score down, so you can study what actually matters.

How it works

• Pick your exam group & subject — Group I, Group II / IIA, or Group IV.
• Take the diagnostic — a set of unit-wise tests followed by a full mock.
• Get your weakness report — a mastery breakdown that separates true knowledge from lucky guesses, with a clear "study this next" plan.

Simple, honest pricing

One diagnostic is a single payment of ₹99 (MRP ₹399) per exam group and subject. No subscription, no recurring charges. See the Pricing page for details.

Part of SothanAI

TestLab uses your existing SothanAI account, so the same login works across both. Learn more about the wider platform at sothanai.com.