Does dropping a year and self study can make you to clear jee ad.?

No, Dropping a year doesn't make you to clear your exam. Studying in right direction with right attitude makes you to clear your exam. There are many students who have cleared the exam without taking a drop. There are many companies as well who consider this point at the time of  placements.

It is not necessary to drop a year. You can plan your study make your time table in a way that you can easily cover your syllabus and you get proper time for revision as well.

To score good marks it is very important that you have your base strong. You can take help of NCERT books to clear your concepts and to build your fundamentals strong. After that you can refer the books for advanced level. It is very important to choose right study material for your preparation.

Before starting your preparation make sure you are aware of the complete syllabus, exam pattern of the exam . You can refer previous year papers to know the exam pattern and to understand the level of the questions. So, that you can prepare accordingly.

Give proper attention to the important topics of the exam wich carries more weightage in the exam. You can also solve MCQs related to important topics.

It is highly recommended that you solve complete mock test series to judge your preparation level at regular interval of time and you learn from your mistakes.

You can plan strategy to crack your exam it is one of the competitive exam you need to work really hard to get admission in top IITs

All the best for your preparation and exam!!