Hello Rocky,

IIT Roorkee has released the official syllabus of JEE Advaced 2019. It is as follows :

1. Physics - Mechanics, General, Electricity and magnetism, Thermal physics, Optics and Modern Physics.

2. Chemistry - Organic, Inorganic and Physical Chemistry.

3. Mathematics - Algebra, Integral Calculus, Analytical Geometry, Trigonometry, Differential Calculus and Vectors.

For more details on areas to be covered for each topic please follow the link below :

https://engineering.careers360.com/articles/jee-advanced-syllabus

Hope this helps.

All the best!