Hello Aspirant,

See as of now the latest syllabus for JEE-Main 2021 is as same as of previous year 2020 which is described below and the same has been uploaded on the official website of JEE-Main on the portal of NTA whose link is given at the end :-

@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

PDF of JEE-Main 2021 syllabus as released by NTA :-

https://jeemain.nta.nic.in/webinfo2021/File/GetFile?FileId=9&LangId=P

For complete syllabus for JEE-Main 2021 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

I hope this information helps you.

Good Luck!!