Avinash Pachauri
Physics / IIT-JEE Main & Advanced
IIT JODHPUR -- AIR 137 / 483 / 2033
Admissions open 2026-27
Make your
next mark
count.
Focused JEE and NEET preparation with concept-first teaching, expert faculty and the kind of personal mentoring that turns practice into progress.
1200+students enrolled
94%selection rate
12+years experience
TathaastuEduspace
Entrance preparation / 2026-27
01 / The people
Faculty you can
put your score on.
Subject specialists who make difficult ideas legible, then stay close enough to help you use them.
Sanjay Sainy
Mathematics / IIT-JEE
RTU -- 10+ YEARS EXPERIENCE
Pravesh Kumar Dhamonia
Chemistry / IIT-JEE + NEET
IIT (BHU) -- AIR 257 / 138
Sahil Ansari
Biology / NEET
MIMT -- 6+ YEARS EXPERIENCE
02 / The work
Courses We Offer
Focused preparation for medical and engineering entrance exams, with expert guidance and support.
NEET UG
Course fee₹3,50,000/-
Test series₹12,000/-
Start Test Series PortalNEET Test Series ↗What's Included:
- Expert Coaching & Mentoring
- Test series available separately
- Chapterwise Tests
- Previous Year Papers Coverage
- Doubt Clearing on WhatsApp
IIT-JEE MAINS
Course fee₹2,85,000/-
Test series₹13,000/-
Start Test Series PortalJEE Test Series ↗What's Included:
- Expert Coaching & Mentoring
- Test series available separately
- Chapterwise Tests
- Previous Year Papers Coverage
- Doubt Clearing on WhatsApp
03 / The proof
Results are
built, not wished for.
A record of students moving from uncertainty to a result they can name.
RESULT / 2024OMR 001
12345678910
1200+Total selections
AIR 347Best JEE Main rank
AIR 583Best NEET rank
94%Overall pass rate
Rahul SharmaAIR 347 -- JEE Main 2024
Priya MehtaAIR 583 -- NEET 2024
Arjun KumarAIR 201 -- JEE Advanced 2023
04 / The method
Small details.
Big difference.
Small batches
Max 30 students per batch means personal attention, not just a seat in the crowd.
Concept first
Every topic starts from first principles, so the understanding holds under pressure.
Track the work
Individual progress reports and parent updates keep effort visible and useful.
Ask freely
Daily doubt clearing and direct WhatsApp access to subject experts.
05 / The voices
What students
say after the work.
---------------
---The way sir explains Physics is unmatched. Complex topics became easy to understand.---
---------------
---After joining the NEET batch, my confidence completely changed. The mock tests are tougher than the actual exam.---
---------------
---No question is too small here. The teachers genuinely care about each student---s understanding.---
06 / The fine print
Questions, answered.
When do new batches start?
New JEE and NEET batches begin in April and June each year for class 11 students. Dropper and crash course batches are available throughout the year.
Is online coaching available?
Yes. Online students get live classes, recorded sessions, digital study material and access to the same test series as offline students.
How are doubts handled?
Doubt sessions are held every day after class. Students can also post in the WhatsApp study group and receive faculty responses within 24 hours.
07 / Begin here
Your next step
starts with a question.
Fill in the form and the team will get back to you within 24 hours. Walk-ins are welcome.
Talk to Tathaastu
Reach out by phone or email and we---ll help you choose the right programme.
Phone / WhatsApp
Office hours
Mon-Sat, 9:00 AM - 7:00 PM