Can a person who is less than 25 years old still become a member if they have attained the age of 21?
Yes, a person who is less than 25 years old can still become a member if they have attained the age of 21. This is stated in the given context as: "Provided that no person shall be disqualified on the ground that he is less than twenty-five years of age, if he has attained the age of twenty-one years."