When I face some problem in using CPP portal what should I do?

As a first step kindly refer the User Manual. One can call the toll free Help Line Number 1-800-233-7315. A mail can be sent to cpppnic@nic.in for all technical issues. A mail can be sent to cpppdoe@nic.in for any policy / domain issues. If some problem is faced during publishing of Tender / Corrigendum / AOC, users may kindly send a mail to cppp-nic@nic.in along with the screen shot of the page.