BCA

Yes, you can pursue BCA without any problem. Students from every stream can pursue BCA in almost every other college. Some universities set up their criteria that arts stream students can't pursue BCA or students from non-mathematical background too can't pursue BCA. But there are many universities which will provide admission to arts and non-mathematical students too in BCA. So, you have to find that college/university which is willing to provide you admission. The general eligibility criteria for BCA is that you should score atleast 45% in your +2. If you are able to satisfy this requirement then you can pursue BCA without any issue. If you want to learn programming languages which you will be studying in your BCA course then you can check out this app which is specially designed and developed for BCA students. It has programs and assignments of languages like C, C+ and Java with their outputs. You'll be studying these languages in your 3 years of BCA.

You can try to learn the skills of the area in which you have interest and want to work in future. Learn it, implement it and create 23 sample projects of your own to show case them during interviews. For example- If you want to get an internship as a web developer, then you should be able to create a clean and intuitive website on your own and in addition to that you should have 23 websites made and monitored by you. So, you can use them as your personal projects and show case them to your interviewers. Generally, getting an internship is not a difficult task but to get a paid-internship is tough. So, make sure that you learn your skills by heart and gain some experience before applying for internships. You can get internship in various categories, try to go for that internship which suits you and your career better. Let's say that you want to work as a developer in future but you get an internship in social media marketing and that will not provide any strength in your resume.