English Spl

Minimum eligibility is 10+2 with 60% marks in aggregate and 75% marks in English as one of the core/elective subjects.
Selection criteria is written test/ interface meeting or personal interview.
Total number of seats in the college for BA English honors are 50.
So you may try but it seems difficult to crack the exam.

It hardly matters how well you speak English. Universities in Bangalore take admission on the basis of marks and ranks. Even if your English is weak, you will improve with time. Also, there is not such quota for Delhi students. You will come under the category of a non-Karnataka resident.

No, you cannot include your Sanskrit marks in place of English, as in DU colleges they strictly ask for your English marks.
So it's better to avoid adding Sanskrit marks.
You can also check it from the below-given link-
http://www.srcc.edu/academics/admissions/admission-criteria-rules
Hope this helps.

Minimum 50 percent in Bachelors degree from a recognized university is the eligibility for giving entrance exam in DU for MA in English.
Entrance exam is mandatory. So your BA pass percentage meets the requirements of the DU eligibility criteria for MA in English
Hope this helps.

The total 3-year fee is Rs. 8,460 for English Hons. in Rabindra Bharati University.

Yes, you are definitely eligible to go for BA Honours in English at Utkal University.
All the best.