Hello Maha,
You can definitely join MCA if your are completing your B.com in computer applications.MCA and MBA is entirely different, when MBA deals with management studies MCA deals with computer application so if you ask which is better, its very objective.In Hyderabad there are few women's colleges for MCA.I will list it below:
*Raja Bahadur Venkita Rama Reddy Institute of technology,
*Bharat PG college for women,
*St. Ann's PG college for women
*Rishi Ubr PG college for women,
*Shadan women's College of engineering and technology,
*Villa Marie pg college for women etc.