Some universities like Columbia and Harvard are giving BA in Neuroscience. I am interested in research and medicine. Can I pursue BA?

Before taking admission to the university, students must take care of all the costs that they must incur while studying at Harvard University. Students looking for accommodation at university owned residential halls can expect the annual cost of living to be around INR 35-40 L. This includes various costs such as food, utilities, room rent, transportation, etc. 
 
The cost may vary depending on the standard of living students pursue in Cambridge. 

As per the latest employment data made available by the institute, the median salary earned by Ed.M. graduates at Harvard Education School graduates is USD 70,000 (INR 61.17 L). While Ph.D. graduates earn an even higher median salary of USD 79,500 (INR 69.47 L). 

The acceptance rate of Harvard University is around 3.4%, which shows that the admission to the university is very selective and only accepts highly qualified candidates. 
 
Interested candidates must perform really well in past academics & entrance exams to have a chance of admission to the university. 

Trinity College Dublin is Ireland's the oldest institute of higher learning. It is considered the Harvard of Ireland. The institute is located in the heart of Dublin's city centre. It is Ireland's the highest-ranked university. It is Ireland's No. 1 University and ranks at #87 in one of the world's ranking publishers' rankings. The university offers undergraduate and graduate courses.