Which exam or process actually gates which degree, in plain
language. Registration/exam dates shift every year — treat the windows
below as "roughly when," and confirm exact dates on the official portal.
NEET-UG
National Eligibility cum Entrance Test (Undergraduate) — National Testing Agency (NTA)
- Gets you into
- The sole gateway to MBBS, BDS, and AYUSH (BAMS/BHMS/BUMS) degrees across India, including every medical college in Tamil Nadu.
- Usual timing
- Registration around Feb-Mar, exam usually in May — exact dates shift every year
- How to apply
- Register online in the NTA's application window with the required documents and fee.
Relevant if you're in:
Bio-Maths,
Bio (Botany & Zoology)
Tests Biology, Physics, and Chemistry from Class 11-12. There is no alternative route to MBBS/BDS in India.
JEE Main
Joint Entrance Examination (Main) — National Testing Agency (NTA)
- Gets you into
- Admission to NITs, IIITs, and other Centrally Funded Technical Institutes nationwide, and the qualifying stage for JEE Advanced (IITs).
- Usual timing
- Usually two sessions, around January and April — exact dates shift every year
- How to apply
- Register online in the NTA's application window.
Relevant if you're in:
Bio-Maths,
Computer Science
Physics, Chemistry, Maths based. Not required for TNEA-based admission to Tamil Nadu engineering colleges.
JEE Advanced
Joint Entrance Examination (Advanced) — One IIT each year, on a rotating basis
- Gets you into
- The sole gateway to admission at the IITs.
- Usual timing
- Usually a few weeks after JEE Main results, around May — exact dates shift every year
- How to apply
- Only the top-scoring percentile of JEE Main qualifiers is eligible to register.
Relevant if you're in:
Bio-Maths,
Computer Science
Hosted by whichever IIT is organising that year — search "JEE Advanced" if this link is out of date. Extremely competitive: a small fraction of JEE Main candidates qualify to attempt it.
TNEA
Tamil Nadu Engineering Admissions — Directorate of Technical Education, Govt. of Tamil Nadu (Anna University)
- Gets you into
- Counseling-based admission to B.E./B.Tech at Anna University's constituent/affiliated colleges and Annamalai University — government, government-aided, and self-financing engineering colleges across Tamil Nadu.
- Usual timing
- Registration soon after Class 12 results (around May-June); counseling rounds run through July-August — exact dates shift every year
- How to apply
- Register online and upload your Class 12 marksheet. Your rank comes directly from a score out of 200 = Maths + Physics/2 + Chemistry/2 — there is no separate entrance exam.
Relevant if you're in:
Bio-Maths,
Computer Science
Unlike JEE, TNEA needs no separate test — your Class 12 board marks in Maths, Physics, and Chemistry decide your rank directly.
CUET-UG
Common University Entrance Test (Undergraduate) — National Testing Agency (NTA)
- Gets you into
- Admission to undergraduate programmes at central universities (e.g. University of Delhi, BHU, JNU) and other CUET-participating universities across India — mostly Arts, Science, Commerce, and professional courses outside Engineering/Medical.
- Usual timing
- Registration around Feb-Mar, exam usually in May — exact dates shift every year
- How to apply
- Register online, pick the subject tests matching your intended degree, then list your preferred universities during counseling.
Relevant if you're in:
Commerce with Computer Applications,
Commerce with Business Mathematics & Statistics,
Arts / Humanities (Geography, History, Economics & Political Science),
Bio (Botany & Zoology),
Computer Science,
Bio-Maths
Only needed if you're targeting a central university or another CUET-participating institution — most Tamil Nadu state-university admissions (below) don't require it.
TNGASA Single-Window Counseling
Tamil Nadu Government Arts and Science Colleges Admission — Govt. of Tamil Nadu, single-window online counseling
- Gets you into
- The default route into B.A./B.Sc./B.Com at Tamil Nadu GOVERNMENT arts & science colleges (affiliated to University of Madras, Bharathiar University, Bharathidasan University, etc.) — no common entrance exam needed.
- Usual timing
- Applications typically open soon after Class 12 results, around May-June
- How to apply
- Apply online through the TNGASA portal; seats are allotted by Class 12 marks and reservation category.
Relevant if you're in:
Commerce with Computer Applications,
Commerce with Business Mathematics & Statistics,
Arts / Humanities (Geography, History, Economics & Political Science),
Bio (Botany & Zoology)
This covers GOVERNMENT arts & science colleges. Private/aided colleges (e.g. Loyola, Madras Christian College) usually run their own separate merit-based admission process — check the individual college's website.
TNDALU Counseling
Tamil Nadu Dr. Ambedkar Law University Counseling — Tamil Nadu Dr. Ambedkar Law University (TNDALU)
- Gets you into
- Admission to 5-year B.A. LLB / B.Com LLB (integrated) and 3-year LLB at TNDALU's own School of Excellence in Law and its affiliated government/private law colleges across Tamil Nadu.
- Usual timing
- Registration soon after Class 12 (or degree) results, around May-June
- How to apply
- Register online with TNDALU; seats are allotted by merit rank from your qualifying-exam marks, not a separate test.
Relevant if you're in:
Arts / Humanities (Geography, History, Economics & Political Science),
Commerce with Computer Applications,
Commerce with Business Mathematics & Statistics,
Computer Science,
Bio-Maths,
Bio (Botany & Zoology)
Important: CLAT is NOT required for Tamil Nadu government law colleges under TNDALU — merit is based directly on your Class 12 (or Bachelor's, for the 3-year LLB) marks. CLAT only matters if you're targeting a national law school outside Tamil Nadu.
TN Polytechnic Counseling
Tamil Nadu Polytechnic (Diploma) Single-Window Counseling — Directorate of Technical Education, Govt. of Tamil Nadu
- Gets you into
- Admission to 3-year engineering Diploma programmes at TN polytechnic colleges — typically taken right after 10th, as an alternative to continuing in +1/+2 first.
- Usual timing
- Registration soon after Class 10 results, around May-June
- How to apply
- Register online; seats are allotted by Class 10 marks and reservation category through single-window counseling.
This is a 10th-based path, separate from the +1/+2 groups this site otherwise focuses on — included for completeness since it's a real alternative some students consider instead of Bio-Maths/Computer Science.
NATA
National Aptitude Test in Architecture — Council of Architecture (CoA)
- Gets you into
- Admission to B.Arch (Architecture) programmes across India.
- Usual timing
- Multiple sessions, commonly around April-June — exact dates shift every year
- How to apply
- Register online in CoA's application window.
Relevant if you're in:
Bio-Maths,
Computer Science
Requires 10+2 with Physics and Maths, and 50% marks — a drawing/aptitude test, not a Physics/Chemistry/Maths test like JEE.
ICAR AIEEA (UG)
All India Entrance Examination for Admission (Undergraduate) — National Testing Agency (NTA), on behalf of ICAR
- Gets you into
- Admission to B.Sc. Agriculture and allied courses at agricultural universities across India, for candidates from OUTSIDE Tamil Nadu.
- Usual timing
- Exam commonly around June-July — exact dates shift every year
- How to apply
- Register online in the NTA's application window.
Relevant if you're in:
Bio (Botany & Zoology)
Tamil Nadu residents don't need this — TNAU runs its own merit-based counseling for TN students. This exam is the route for out-of-state students, or for TNAU's all-India quota seats.
CA Foundation
Chartered Accountancy Foundation Course — Institute of Chartered Accountants of India (ICAI)
- Gets you into
- The first of three exam stages (Foundation -> Intermediate -> Final) leading to becoming a Chartered Accountant, done alongside any Bachelor's degree.
- Usual timing
- Exams held twice a year, commonly May and November
- How to apply
- Register with ICAI after Class 12; the Foundation exam can usually be attempted after a set gap following registration.
Relevant if you're in:
Commerce with Computer Applications,
Commerce with Business Mathematics & Statistics
Not a college admission exam — it's a professional qualification you pursue in parallel with your degree.
NDA
National Defence Academy & Naval Academy Examination — Union Public Service Commission (UPSC)
- Gets you into
- Admission to the National Defence Academy (Army/Navy/Air Force wings) or Indian Naval Academy — a direct route into becoming a commissioned defence forces officer, starting right after 12th.
- Usual timing
- Conducted twice a year (NDA I and NDA II) — exact dates shift every year
- How to apply
- Register online with UPSC; written exam followed by an SSB interview and medical test.
Relevant if you're in:
Bio-Maths,
Computer Science,
Arts / Humanities (Geography, History, Economics & Political Science)
Age window is narrow (16.5-19.5 years) with no relaxation. Army wing accepts any 12th stream; Navy and Air Force wings require Physics, Chemistry, and Maths (PCM). Candidates must be unmarried through training.