BITSAT exam is conducted based on syllabus of class 11th and 12th.

In Physics some topics are:

• Work and Energy
• Rotational Motion
• Gravitation
• Mechanics of Solids and Fluids

Under Maths:

• Trigonometry
• Ordinary Differential Equations
• Linear Programming
• Vectors

Under Chemistry

• Chemical Bonding & Molecular Structure
• Electrochemistry
• p- d- and f-block elements
• Surface Chemistry

You can check complete syllabus for PCM and English in the link below:

BITSAT syllabus