Dear Zainab,
While introducing your self in an interview you should divide your speech in 3 parts.
1:- Personal (Name, age, hobbies)
2:- Qualification (Academic background/other activities/sports etc)
3:- Family background.
For eg:-
My name is Mudassar Shaikh. I am 27 years old. My hobbies are photography & travelling. Apart from this, i am very passionate about literature & music.
I did my schooling from St. Aloysuis convent. i completed my HSC from Xaviers college. Did graduation in commerce with with acc specialization. Eventually MBA (HR) along with Diploma in labour laws.
Technical qualification I have done Computer application course.
My family consist of 3 members. Father is a railway serviceman, mother is a home maker.
I am the only child, no siblings.