ABOUT THE BOOK Chandra Academy is one of the popular author for CGPSC, Vyapam and other competitive examination. Chandra Academy books are among the popular books for all Chhattisgarh level competition exams of CGPSC and CG Vyapam like State Service/ PCS Pre, Mains, CG Police Sub Inspector, School/ College lecturer, teacher, CG TET, accountant, patwari, VDO, Lab Assistant, lab technician and all other exams.