Hello Aspirant,

See JEE-Main syllabus remains same for every year but for JEE-Advance 2023 some changes have been introduced in the syllabus so I am mentioning down the exact syllabus for JEE-Main 2023 and for JEE-Advance 2023 the syllabus has already been released on the official website for which I will provide you the link so that you can check it out and as it is from official website so it will not create any un-necessary confusion  :-

@Mathematics

> Complex numbers and quadratic equations

> Matrices and determinants

> Sets, relations and functions

> Mathematical induction

> Permutations and combinations

> Mathematical reasoning

> Limit, continuity and differentiability

> Integral calculus

> Three-dimensional geometry

> Differential equations

> Binomial theorem and its simple applications

> Sequence and Series

> Vector algebra

> Statistics and probability

> Trigonometry

> Co-ordinate geometry

@Physics

> Physics and measurement

> Rotational motion

> Thermodynamics

> Kinematics

> Work, energy and power

> Properties of solids and liquids

> Gravitation

> Laws of motion

> Oscillations and waves

> Electronic devices

> Kinetic theory of gases

> Current electricity

> Communication systems

> Electromagnetic induction and alternating currents

> Magnetic effects of current and magnetism

> Optics

> Electromagnetic waves

> Atoms and nuclei

> Electrostatics

> Dual nature of matter and radiation

+Experimental skills

@Chemistry

• Physical Chemistry

> Some basic concepts in chemistry

> States of matter

> Atomic structure

> Chemical bonding and molecular structure

> Chemical thermodynamics

> Solutions

> Equilibrium

> Redox reactions and electrochemistry

> Chemical kinetics

> Surface chemistry

• Organic Chemistry

> Purification and characterization of organic compounds

> Hydrocarbons

> Chemistry in everyday life

> Principles related to practical chemistry

> Organic compounds containing halogens

> Organic compounds containing oxygen

> Organic compounds containing nitrogen

> Polymers

> Some basic principles of organic chemistry

> Biomolecules

• Inorganic Chemistry

> Classification of elements and periodicity in properties

> Hydrogen

> Block elements (alkali and alkaline earth metals)

> P Block elements group 13 to group 18 elements

> d- and f - block elements

> Co-ordination compounds

> Environmental chemistry

> General principles and processes of isolation of metals

For complete syllabus for JEE-Main and  their PDFs along with the detailed content weightage,  kindly check out the link given below :-

https://engineering.careers360.com/articles/jee-main-syllabus-weightage

For JEE-Advance 2023 syllabus kindly check out the official link given below :-

https://jeeadv.ac.in/misc/jee-advanced-2023-syllabus.pdf

You can also check out JEE-Main Learning package for your preparation of JEE 2023 :-

https://learn.careers360.com/jee-main-coaching/?utm_source=%20QnA

I hope this information helps you.

Good Luck!!