S.K. Publishers is engaged in the publication of preparatory books for NDA/CDS, Coast Guard, BPSC, HPSC, SSC, UPSC, UPPCS, Railway, and RPSC exams. ‘Antonyms, Synonyms & One Word Substitution for NDA, CDS, SSC by Ram Singh Yadav and Yajvender Yadav’, ‘General English Objective for Navy and Air Force by Ram Singh Yadav and Yajvender Yadav’, and ‘A set of Practice Papers for Staff Selection Commission SSC Constable GD Recruit Exam by Ram Singh Yadav’ are most prominent books of this firm.
