GK Publication G K Publications, founded in 1994, is a renowned name among CTET and UPSC aspirants. ‘UPSC Civil Services Courseware for Preliminary and Main Examination’, a comprehensive package of 11 books, is a bestseller by the publication. ‘CTET Paper-I and CTET Paper-II Guides and Practice Sets’ by G K Publications is quite popular among the candidates appearing for CTET examination. Click here to view all book of this publisher