You can download the textbook pf 11th Physics, Biology, Chemistry, and Mathematics, etc from the link given below
1 Unit and Measurements
2 Mathematical Methods
3 Motion in a Plane
4 Laws of Motion
5 Gravitation
6 Mechanical Properties of Solids
7 Thermal Properties of Matter
8 Sound
9 Optics
10 Electrostatics
11 Electric Current Through Conductors
12 Magnetism
13 Electromagnetic Waves and Communication System
14 Semiconductors
