Cosmos Publication Cosmos Publication deals in study materials and previous year question papers for exams conducted by MPSC, BPSC, and JPSC. It publishes books for Hindi medium as well as English medium candidates. Some of the bestsellers by this firm are ‘Indian Constitution & Polity (Gist of NCERT) by Mahesh Kumar’, ‘Indian Economy (Gist of NCERT) by Mahesh Kumar’, ‘Bhugol (EkSamagraAdhyayan) by Mahesh Kumar’, and ‘RashtriyeAvmPradeshika by Mahesh Kumar’ Click here to view all book of this publisher