The Oxford College of Science

Yes, there are lateral entry options available for Diploma holders who wish to pursue a Bachelor of Computer Applications (BCA) degree.
Many universities and colleges in India offer lateral entry admission to the second year or third semester of the BCA program for Diploma holders in relevant disciplines such as Computer Science, Information Technology, and Electronics and Communication Engineering.
To be eligible for lateral entry to BCA, Diploma holders are typically required to meet certain academic requirements, such as a minimum percentage of marks in their Diploma program. They may also have to appear for an entrance exam or undergo an interview process.
The specific eligibility criteria and admission process may vary depending on the university or college you are applying to. It's recommended to check the admission information on the official website of the institution you are interested in, or contact their admission office for more details.

50% is the cut off.
Candidate must have passed any recognized BCA / bachelor's degree in computer science engineering or equivalent degree and obtained an aggregate minimum of 50% marks (45% of marks in case of SC, ST and Category-I of Karnataka candidates) taken together in all the subjects in all the years of the Degree Examination from any recognized institute/university. OR Candidate must have passed B.Sc. / B.Com / B.A. with Mathematics at 10 + 2 level or at Graduation level (with additional bridge courses as per the norms of the concerned University) and obtained an aggregate minimum of 50% marks (45% of marks in case of SC, ST and Category-I of Karnataka candidates) taken together in all the subjects in all the years of the Degree Examination from any recognized institute/university. Final year students can also apply on provisional basis.