Hello.

yes. there would be 0.5% deduction for change of stream.

DU is the most popular for its BA courses and usually has cutoffs around 95-97%.

Since you have 83.4% the only possible BA course you could take for your score would be BA in Hindi.

Hope this helped .

All the best

For more information go through the below link: https://university.careers360.com/articles/du-ba-eligibility-criteria