UPSC New Syllabus & Tips to Crack IAS Preliminary and Mains Exam with Rapid GK 2019 ebook About the Author Disha Experts is a team of most renowned and prolific content writers pioneering in School and Test Prep segments (Competitive Exams and Government Vacancies). It consists of more than 30 experts comprising of IITians, PhDs, B-Techs, PGs, etc. working full-time with decades of experience in various academic and competitive exam verticals. Disha Experts has emerged as a think tank in the School and Test Prep segments providing the most updated (latest pattern and syllabus-wise) to-the-point student friendly (relevant and easy-to-understand presentation) content such that the aspirants can give their best.