yeah! for most of the colleges the science students are allowed to take the humanity courses. You can apply for the course as for most of the cases the admission are available on the basis of 12th merit. So you have to apply for the college you want to take admission and you will get admission as per the merit of 10+2.

Some of the Arts degree colleges are:

Fergusson College, Pune

Mount Carmel College, Bangalore

Symbiosis College of Arts and Commerce, Pune

Hindu College, Delhi

Aditi Mahavidyalaya, Delhi

For more colleges you may visit the link below:

https://university.careers360.com/colleges/list-of-arts-degree-colleges-in-india

To know more about Humanities and social sciences as a career path then visit the link below:

https://www.careers360.com/courses/humanities-and-social-sciences-course

I hope this answer helps. All the very best for your future endeavors!