Which book should I start preparing for my CAT 2017 preparation if I want to improve basics?

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Dedicate one focused hour in the morning to QA formulas or an RC passage, one hour in the evening to DILR sets, and reserve weekends for full-length mocks and thorough review.

It is not too late, provided you adjust your scope. Focus directly on core topics, start taking sectional tests immediately, and spend time learning through mock test analysis.

Focus on formula sheets, mental math tables, grammar pointers, and your accumulated test error log. Avoid attempting full-length tests during the final three days before the exam.

Enrolling in a classroom programme is rarely practical with two months left. However, a dedicated mock test series or a targeted crash course for specific weak subjects can provide structured practice material.