Obc certificate for niacl 2017

Guys kindly help...I have a obc certificate having mentioned that last modified in 14.10.2008 bt in call letter it is 2013...wat does tht mean...or can somebody plz upload dere so I cud a idea...plz help

Guys I hav an obc certificate mentioned that last modified on 14.10.2008 and in call letter they askin for 2013 wat does tht mean

OBC NC certificate...My father salary crossed 4.5 lakhs can I provide fake salary certificate of my father's..do they cross check on salary certificate or any other documents I provide is authenticity or not...others documents I have correctly..plz reply..will be there any problem henceforth..