what are all the best skill to develop to clear upsc civil service in 1 St attempt
In order to crack UPSC in very first attempt, you reason to appear for this exam has to be strong enough, see this exam has humongous syllabus, and sometimes it can be tiring experience for aspirants, in moments like these your reason to become IAS is what will sail you through this difficult phase, this will further make you single minded focus, and with focus comes the dedication, and with dedication you'll learn the lesson of perseverance, so develop the attitude of single-minded focus, dedication and perseverance to sail through the exam and qualify eventually.
You should concentrate more on knowledge rather then skills. If you are trying for IAS to IPS you should have more and more knowledge for writing examination. IAS, IPS level examination ls are not like JEE, NEET examination which has particular syllabus. You should be aware of each and every thing that happens in India. You should have knowledge about gk, science, bio, maths, English subjects to clear your examination.
So keep practicing previous year papers you will get idea how paper appears. Spend atleast 10 hours in a day for preparation.
UPSC Civil service exam is one of the most coveted exams in India. Cracking it in 1st attempt is indeed remarkable. There are no defined skills and mantra for cracking UPSC Civil services exam on 1st attempt. But, high determination, perseverance, consistency, and good memory power can help you crack exams.
All the best.