NCL OBC certificate validity is for one year.

The validity of non-creamy layer certificate issued during any month of the financial year For example 2016-17 covering 3 preceding financial years viz. 2013-14, 2014-15 and 2015-16 be accepted by the concerned authorities for any appointments or recruitments which would be valid during the period April 2016 to March 2017.

OBC status of a candidate may change only when the community of the concerned candidate is removed from the OBC list, his/her creamy layer status may change any time. Therefore, it is not possible to determine a fixed validity period for the OBC certificate .

However, for most practical purposes, the validity of an OBC NCL Certificate is treated as 1 year. If your OBC NCL certificate was obtained before 1 year, it is always better to get a new OBC NCL before applying for exams.

Also, it is advisable to get the OBC NCL Certificate in either English (prefered) or Hindi.