Dr Ravi P. Agrahari, Ph.D, Ex-Scientist from IIT Delhi, is a distinguished scholar with extensive experience in Energy, Environment Science, and Science & Technology. He has authored numerous books for UPSC examinations and is renowned for his teaching expertise, having mentored UPSC aspirants for over two decades across 50 prestigious coaching institutes in 15 States in India. Recipient of Junior and Senior Research Fellowship from CSIR, Government of India, Dr Agrahari serves as an independent consultant at the Bag Energy Research Society, Varanasi, focusing on Environment, Renewable and Sustainable Energy and Biogas issues. Passionate about education, he collaborates with NGOs and Civil Societies to provide quality education to economically disadvantaged students.
Naman Jain is a physicist-turned-civil-services educator specialising in Economics and Current Affairs for UPSC-CSE and allied examinations. He holds a Master's in Physics with a specialisation in Nanophysics and a Bachelor's (Honors) in Physics from Hindu College, Delhi University, bringing an analytical, structured approach to subjects many aspirants find daunting. He has been associated with several reputed institutions, including Chanakya University, Samkalp IAS, IAS Setu, IES Master, GradeUp, Testbook, and Unique Shiksha. Across these roles, he has designed comprehensive Prelims and Mains courses, launched daily and weekly current affairs series, and mentored aspirants for UPSC-CSE as well as allied exams such as UPSC-EPFO, UPPSC, and BPSC. He has also coordinated structured Mains answer-writing programs and contributed to Ecology and Environment preparation for IES aspirants, now serving as faculty at Patanjali Civil Services Academy.
Chandramouli Choudhary is a Senior UPSC Educator and GS & Essay Specialist based in Varanasi, with over eleven years of teaching experience across Geography, Geography Optional, Environment & Ecology, Current Affairs, and Essay Writing. He has personally appeared before the UPSC Personality Test board on four occasions, bringing rare, firsthand insight into the interview process to his classroom. A triple-qualified academician holding a B.Tech, LLB, and LLM, he combines scientific reasoning with legal and policy depth in his teaching. He has taught at Vajiram & Ravi, KSG IAS, and most recently Unacademy, conducting over 700 seminars nationwide. Recognised as "Most Dynamic Faculty" by the Times of India and felicitated at Delhi University, he has mentored lakhs of aspirants, including several Top-100 rank holders, in both English and Hindi.
Kanishk Shekhar is a Senior UPSC educator specialising in Polity, International Relations, and PSIR, with over eleven years of experience mentoring Civil Services aspirants. He currently teaches at Vision IAS, Delhi, following a three-year tenure at Forum IAS, and holds an M.A. in Political Science from IGNOU. Alongside teaching, he is an active columnist, with writings featured in Daily Pioneer, Dainik Jagran, Firstpost, DailyO, and Opinion Express. He authored the chapter "Amendments during Modi Government" in Sri Subhash Kashyap's Constitution of India (2024) and translated Dr. Roxna Swamy's Evolving with Subramanian Swamy into Hindi. A prolific book reviewer, he has reviewed and vlogged on major works spanning constitutional law, geopolitics, and Indian civilisational discourse, including works by Granville Austin, Francis Fukuyama, and J Sai Deepak.
Atul Garg is a renowned faculty member for Ethics, Integrity & Aptitude (GS Paper IV), holding the distinction of being the first teacher of Ethics in India. Since the inception of GS Paper IV in 2013, he has guided more than 32,000 Civil Services aspirants through his teaching. His influence on the subject is singular — almost every question across all Ethics papers from 2013 to 2022 has traced directly back to his classroom discussions and Case Studies Book. His ethics module and test series program have together produced more than 280 selections into the Civil Services. He remains one of the most foundational and consequential figures in the teaching of Ethics since the paper's introduction.