IPCC Revalidation query

ipcc registration is valid for 4 years....so ur regisstration is valid upto 12/06/2018.....yes u have to visit icai for revalidation otherwise u cannot fill ur exam form online...just write an application for  revalidation with a dd of rs400 and submit it at icai...after a few days u will get a confirmation letter or email from icai...thats it