ESE 2018 UPSC Engineering Services Mains Electronics and Communications Engg Conventional Paper 1, 37 years of (1980-2017) Previous conventional Questions with Solutions, arranged in Subjectwise and chapterwise for the Subjects of Baisc Electgronics Engineering, Basic Electrical Engineering, Materials Science, Electronics Measurements and Instrumentation, Network Theory, Analog And Digital Circuits. This book is Thoroughly Revised and Updated.