International relations, internal security, indian society, environment, science & technology combo for upsc ias mains (set of 5 books

A combo specially designed for IAS Mains exam, this is a set of 5 books contains;Book 1: Updated with latest international updates International Relations - Interests & Challenges for Civil Services Exams 2nd Edition is written by Deepanshu Singh. The book captures Bilateral Relations of more than 50 countries.Book 2: Internal Security of India - Challenges & Management for UPSC Civil Services Exams, also covering Disaster Management, is a very important section in mains.Book 3: Handbook of Ecology, Environment & Biodiversity for UPSC & other Competitive ExamsBook 4: Handbook of Indian Society for UPSC & State Civil Services ExamsBook 5: Science & Technology for UPSC & State PSC Civil Services Prelim & Main Exams