Karnataka Textbooks 4th Class: Karnataka Class 4th Textbook Published by the Karnataka Text Book Society (KTBS). KTBS Syllabus Book for Class 4 is available in Kannada, English, Hindi, Telugu, Tamil, Marathi, and Urdu subjects. Karnataka Class 4 Standard students check their subject books on the official website, ktbs.kar.nic.in. KTBS Karnataka Class 4 Std Mathematics Part 1 &  Part...