For History, BA course is offered. And yeah! Science students are also eligible for Arts courses. Most of the arts colleges provides admission based on 10+2 merit so you need to have a good marks in 10+2 for good colleges. Now if some colleges conduct entrances then you have to prepare for the entrance. But yeah! if you have passed as a science student in 10+2 then you are eligible for BA History course.

**For most top colleges the marks you should require must be greater than 85%.

Some of the top BA history colleges:

Hindu College, Delhi

St Stephens College, Delhi

MCM DAV College for Women, Chandigarh

Government College for Girls Sector- 14, Gurgaon

St Xaviers College, Ranchi

For more colleges visit the link provided below:

https://university.careers360.com/colleges/list-of-degree-colleges-in-india?stream=Arts%20%20Humanities%20and%20Social%20Sciences&degree=B.A.(Hons)&branch=History

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