dear aspirant,hope you are doing well.now coming to your question,After your admissions are done atleast a period of few months are going to get over without any information of refund. Than a notice will be issued by your college and CSAB to apply for refund by filling an online form. Afterwards a list is gonna come having names of candidates and their eligibility from your college and finally you’ll get back your refunds. This whole process takes a good period of time. In my case it took this years february month to get refund. But,that may vary from college,amount to be refunded, category ,etc…
And,if u are someone who didn’t took admissions then u must be getting your money refunded very soon.

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hope this will help.