You need to understand the importance of NCERTs that help you in putting up a solid foundation. These books give you conceptual clarity and benefit you as you advance with your study-plan. So, in the beginning, you are on right track but NCERTs alone don't suffice the purpose.
Current affairs and contemporary developments prepared over a long period of time help in developing information level and general awareness and as the exam-trends indicate, this will give you greater comfort in handling most of the questions that are dynamic in nature.
For this, you cultivate habit of reading newspapers daily – at least two and that can be supplemented by current affairs magazines.
The following article would help you in understanding the importance of newspapers: