Emigration
Emigration Check Required (ECR) Category Categories of persons whose passports have been endorsed as “Emigration Check Required' (ECR), are required to obtain emigration clearance from the POE office before traveling abroad for taking up an overseas employment. 
IN SIMPLE WAY 
If you have not passed 10th standard, then your passport will be marked with a stamp displaying “Emigration Check Required”. You will need to get clearance from immigration office every time you wish to step outside India.