27 October 2009
Under certifcate of posting has same value as that of RPAD. You should have the acknoledgement from the post office with 3Rs. stamp pasted.
A unique identification number for every article or Proof of posting is available only when an article is presented at a post office counter and accompanied by a Registered Post lodgement form (required for all enquiries or claims)and A signature obtained on delivery from receipent.