To convert your dreams (to become IAS), you need to work hard as the competition is really big and an Exam-plan that will really test your mettle.
To commence preparation, first be clear with the exam-plan, the syllabus and related requirements at each stage of examination.
For conceptual clarity, you should commence preparation with NCERT books and other important thing is cultivating daily newspaper reading habit.
Self-assessment in beginning will help you in identifying strengths and weaknesses and accordingly, you can prioritize your study-plan.
You should have faith in your abilities and a positive frame of mind will keep you motivated.