1) ECNR stands for Emigration Check Not Required and ECR stands for Emigration Check Required
2) the following applicants are eligible for ECNR status regardless of its requirement in certain countries -
Holders of Diplomatic / Official Passports
Gazetted Government servants, their spouses and dependent children
Income tax payers, their spouses and dependent children
Professional degree holders
Persons having educational qualification of matriculation and above.
Seamen who are in possession of Continuous Discharge Certificate (CDC), or Sea Cadets and Deck Cadets
Persons holding permanent immigration Visas, such as the visas of UK, USA and Australia.
Persons possessing two or three years’ diploma from any institute recognized by the National Council for Vocational Training (NCVT) or State Council of Vocational Training (SCVT).
Qualified Nurses, recognized under the Indian Nursing Council Act, 1947.
Persons above the age of 50 years.
All persons who have been staying abroad for more than three years (the period of three years could be either in one stretch or broken) and their spouses.
Children up to 18 years of age.
3) You are required to apply for ECNR stamp when -
Travelling to any of the below countries; and do not already have ECNR stamp on your passport or ECR is endorsed on your passport.
United Arab Emirates (UAE), The Kingdom of Saudi Arabia (KSA), Qatar, Oman, Kuwait, Bahrain, Malaysia, Libya, Jordan, Brunei, Yemen, Sudan, Afghanistan, Indonesia, Syria, Lebanon, Thailand and Iraq.
4) your wife can travel to USA on H4 visa . family members cannot engage in any form of employment under H4 visa
5)ECNR is not required for travel to USA