INPhO
INPhO ( Indian National Physics Olympiad ) is the gateway for participating in the IPhO ( International Physics Olympiad). To get to INPhO, the fist exam to be cleared is NSEP ( National Standard Examination in Physics). Her we will be writing articles and discussing the INPhO examination, its syllabus, PYQs, Topic wise subject matter , concepts and solutions for various topic questions.
INPho Syllabus and Topics covered
Here the various topics covered by IITian author for INPho aspirants included in the below image. The list is indicative only and not exhaustive. For actual syllabus refer to the official notifications.

The topics are covered upto class 12 here. The articles include the PYQs, Concepts, Theory behind the topics, Video lectures, written notes , Question bank for the examination preparation and practice questions.
The video lectures are taken from the YouTube channel maths&science by iitian run by the same IITian who run this website. The link to access the channel is : https://www.youtube.com/@mathsciencebyiitian
The written material and articles are also accessible from here in addition to the drop down in Home page menu. The link for accessing written material is : https://mathsnscience.com/blog/.
In the above blog page you have access all the material for all examination topics. You can freely scroll through the relavant material and read at convenience.
For any clarifications you can write to us at : https://mathsnscience.com/contact/
Best of luck to every body.