1. The three Major Question banks AIIMS, PGI Chandigarh, AIPGEE- are the gold standard for any entrance exam in India.
Every year AIIMS MD Entrance is conducted twice of 200 MCQ paper.
Hence 400 MCQs per year in past 15 years brings 6000 MCQs.
Every year PGI MD Entrance is conducted twice of 240 MCQ paper.
Hence 480 MCQs per year in past 15 years brings 7200 MCQs.
Every year AIPGEE is conducted once of 300 MCQ Paper.
Hence 300 MCQs per year in past 15 years brings 4500 MCQs.
2. That creates a rich question bank of 17000+ MCQs.
3. If we label each MCQ as to which topic it belongs and group all MCQs belonging to a topic to one place and organise them, that precipitates to 1200 most frequently tested topics.
In Summary, the essence of preparation stays with mastery of these 1200 topics !