Eligibility and Infrastructure Requirements for Sub Brokers Eligibility 2-3 years experience in the broking business, either as a sub/main broker, or as an employee of a main/sub broker. Basic qualification required is 10th standard or equivalent examination cleared from an institution recognized by the government. Your age at the time of application should be minimum 21 years. A good track record in financial services or any other business with a good client base. Infrastructure Required Office space of approximately 300 � 500 sq feet, preferably in a prime location of your city/ town.