Bring your curiosity. We will bring the clues.
PLO is built for young thinkers in Grades 6–12.
📋 Eligibility Criteria
1. School-Enrolled Contestants
If you are enrolled in school, your eligibility is determined by your current grade:
- Junior Contest: Grades 6, 7, or 8
- Senior Contest: Grades 9, 10, 11, or 12
Important Exception: If you have attended the Invitational Round Camp in any previous year, you can only appear in the Senior contest.
2. Non-School-Enrolled Contestants
If you are not enrolled in school, your category is determined by age (equivalent grade level):
- Your category will be decided by the equivalent grade that you'd otherwise belong to.
- Exception: If you have attended the Invitational Round Camp previously, you can only appear in the Senior contest.
3. India at IOL 2026 Representatives
Eligible contestants who have represented India at the IOL in the past are qualified for direct entry to the Invitational Round camp, and need not appear for the Round 1 contest.
4. Non-Citizen Participants
Contestants who are not citizens of India are eligible to participate in the Round 1 contest, provided they:
- Reside in India, AND
- Are enrolled in a school in India
5. 12th Grade Completion
Contestants who have begun university are not eligible to register for PLO.
Contestants who are aged 20 or older on the day of the IOL are not eligible to register for PLO.
⭐ Important Points
Walk-in Registration at the Exam Centre
If you could not register on time, you can still register as a "walk-in" applicant at your nearest exam centre on exam day. Simply share your registration details and pay the standard registration fee at the centre itself. No prior online registration required.
Tentative Student List & Roll Numbers
Once registrations are processed, a tentative list of students and their roll numbers will be posted on the website. Keep checking the website regularly for further updates regarding your registration status and exam details.