After ZIO & ZCO

Can any one tell me after Selection of ZIO or ZCO we go to INOI Training camp or we have to give INOI Paper then take camp??

In addition to ZIO, students can also also qualify for the second round by taking part in the Zonal Computing Olympiad (ZCO), an online programming contest. ZCO-2015 will be held on Saturday, 6 December, 2014.
The second round, the Indian National Olympiad in Informatics (INOI) involves programming in any one of four languages: C, C++, Java or Pascal. INOI-2015 is tentatively scheduled for Saturday, 31 January, 2015.
About 25 students are selected from INOI for the IOI Training Camp, to select the Indian team for IOI.