Hi Madhuri!
Well, writing the resume headline differs from person to person and again from company to company. So, make sure that what you write in headline defines your personality as well the (applying)company's purpose. Resume headline should be something unique and project yourself different from your competitors and person reading your resume can get summary about you in one line. So select resume headline accordingly. You can include your technical skills or knowledge or internship or experience(if any) in brief in it. Here are some examples to frame your headline. Please refer to it.

1) Goal oriented ..[your goal in which field mention here]
2) In depth experience/knowledge in [field]
3) Visionary [CEO] ..
4) Planning, developing, implementing cutting-edge solutions ..
5) Advanced company's image ...
6) Accomplished high record of sales ..
7) Arranged the organization's production presses..
8) Ability to overcome complex [business, customer service) challenges.
9) Strong orientation in finance and operations
10) Expertise in [your field].
11) Internship in [field] from [organization name]
12) Proven success in coaching, mentoring and motivating teams to [achieve, enhance, and improve] organizational goals.