Can I directly get admission in second year as I have done Diploma in fashion technology?

Unfortunately, No. You cannot directly enroll in the second year, because the university rules dictate that the student registration needs to be done in the final year, only unless you have studied in the same university for the same program just someplace else. So, you have to enroll for a 3 year B

For direct admission to courses, you need to get in touch with the college officials for Lateral entry. However, the college has not introduced/mentioned any Lateral Entry option in any of the courses, so you can check with the University for Exact Information, as they are the right party to answer