Essential Sociology - For Civil Services Main Examination About the Author Nitin Sangwan is a Gujarat cadre IAS officer of 2016 Batch. He secured 28th Rank in Civil Services Examination 2015 with Sociology as an optional subject. By qualification he is a mechanical engineer and also holds a management degree. Seema is a dentist by profession and is passionate about reading on a wide variety of social issues including gender discrimination, demographics, inequalities, rural life and developmental economics. She loves to write in her spare time about social issues apart from keeping the dentist in her alive. The authors shall strive to provide additional information to supplement the book Essential Sociology on their blog www.upsc-sociology.blogspot.in based on the feedback received from the readers and the evolving needs of the exam. The authors also look forward to all the suggestions, feedbacks and comments regarding the book which can be addressed to the authors at: thesociobook@gmail.com.