People would tell you UPSC preparation starts by reading NCERTs, but that definitely comes later.
Before doing anything, even before reading UPSC’s syllabus, start by fixing a number of hours that you would, every day, dedicate towards your preparation. Followed by, framing a time-table by dividing your entire UPSC syllabus in realistic daily chores.
Now follow the standard suggestions:
• Get a newspaper subscription, preferably – ‘The Hindu’.
• Firstly, start by reading all the basic books, including NCERTs for History, Geography, Economics and Polity.
• Switch to standard book, a little detailed set of books and revise them at least twice before going to the next set. Some example of standard books is; Indian and World Geography by GC Leong, Indian Polity by Laxmikant, and so on.
• Refer to the guidance videos by Chanakya IAS Academy and get a reality check by AK Mishra himself with successful candidates.
• Be a regular to Rajya Sabha TV and watch all the major discussions to get an update on Indian Policies and issues.
• Refer to Previous Year Question Papers and try to grasp the pattern of the UPSC’s question paper. Also, analyze it to understand the type of questions UPSC prefers.
• After analyzation of papers, Practice them.
• Join a test series and get a second reality check, majorly to evaluate your preparation. Figure out your weak subjects from the analogy.
• Work on your weak subjects and then attempt a new test series.
• Repeat the last two steps until you have a considerable score.
• Keep yourself updated with different online sources. Insights on India, Chanankyaiasacademy Daily News, IAS Educator.
• Follow successful candidates on Quora and read their strategies and suggestions.
• Write 200 words every day and, gradually increase the number of words with time to work on your expression and vocabulary.
• Make Notes of whatever you read, including Newspapers.
• Revise everything you read, consistently.