Can a 12thnstandard student can write rmo in 12^th class who has not written for 11

RMO Eligibility Criteria
The RMO eligibility criteria is simple to understand. The eligibility criteria to appear in Regional Mathematics Olympiad are given below:
Must be a citizen of India.
Should be born on or after August 1, 1998.
Must be currently studying in class XI or below.
Must not have commenced (or planning to commence) studies in a university or equivalent institution by 1 June, 2017.
Note:Students studying in class XII are not eligible forRegional Mathematics Olympiad 2017.