Severity: Notice
Message: Undefined offset: 0
Filename: controllers/Study.php
Line Number: 1166
Backtrace:
File: /var/www/html/public_html/application/controllers/Study.php
Line: 1166
Function: _error_handler
File: /var/www/html/public_html/index.php
Line: 315
Function: require_once
Class 10
Class 12
Choose your book to refer HBSE curriculum books or chapters for different classes. You have an option to read online or download for offline reading.