revalidation letter not received

They will not send the letter as such.Just call your regional office, tell your Regn no. and ask the date of revalidation. They will check and immediately let you know the date.Only the date of revalidation is required for filling up exam form.

USE THIS LINK https://112.133.194.253/REprintletter/reprint.aspx

OR CALL YOUR REGIONAL OFFICE.