Hello Hitesh,
You are advised to get yourself registered in the month of June, after the declaration of your Class 12 result, so that once on receiving the result you will block your funds in CA only when you are sure of doing CA, without delaying your any attempt.
Under new course, your eligible first attempt shall be 4 months of study after passing Class 12 Examination. Hence, generally, the first attempt for students will fall in November of same Year.
(Get yourself registered in June 2019, after the declaration of Class 12 result. Your first attempt will fall in November 2019).
For more information, you can visit on - www.icai.org.in
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