Ipcc query regarding re-validation

Registration for IPCC/Intermediate (IPC) is valid for 4 years.
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Hence, your registration is valid till 08/2015. In order to give the exams in Nov 2015, you need to revalidate your registration.
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To know the procedure of revalidation, view this ICAI announcement – click here

-> Fee was N.A. for students who revalidated their registration before 31.12.2013.
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-> On/after 01.01.2014, prescribed fee has to be paid by one and all.
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-> Hence, ICAI-Ahmedabad has advised you correctly.