Brahmastr Cosmos Static Gk By Mahesh Kumar Barnwal Based On Facts And PYQ Includes All Subjects For UPSC CDS NDA Banking Railway RRB NTPC Group D ALP RPF And SSC GD CHSL CGL With Target NCERT Samanya Gyan News And Current Affairs Yearly 2024(Paperpack, Hindi, Sumit Singh, Mahesh Kumar Barnwal)