A Candidate for admission shall be regarded as a local candidate in relation to a local area (OU/SVU) If he/she has studied in an Educational Institution or Educational Institutions in such local area for a  period  of  not  less  than  four  consecutive  academic  years. You can related information with the given below link.

https://dtets.cgg.gov.in/Documents/Related%20Links/Definition%20of%20Local%20&%20Non%20local%20status%20(Annexure-II).pdf