Hello

The chapters will be in math (Engineering Mathematics) syllabus of EEE are given-

1. Linear Algebra
2. Calculus
3. Differential Equations
4. Complex Variables
5. Probability and Statistics

Mathematics cover 15% of total marks. Statistics is important chapter in EEE ,added in 2019  first time. so, You can leave it but if you have good command on other chapters. You cake take help of sample paper and previous year paper to prepare well.

You can download previous year paper from here-

https://engineering.careers360.com/articles/gate-syllabus-for-electrical-engineering

All the best