LLB

Yes, some universities are still offering admissions in LLB. Apply for them as soon as possible.

ICFAI, Hyderabad is the best campus among all the campuses of ICFAI. The average placement package is 6-10 LPA.

Yes, you are eligible. But you must score 50% marks in your graduation.

CLAT exam is only for 12th pass out students to pursue 5 years integrated LLB course. After completing B.Com, you may take the DU-CET entrance for 3 years LLB at Delhi University and LSAT entrance for joining India's No.-1 private law school.

The field does not depend on whether you have done B.Sc. You need to be specific on your interest as every field has a different approach. The basic education would be the same.

You are not eligible for 3 years LLB degree course as it is not equivalent to a graduate degree. You may be allowed by few universities to do 5 years integrated BA-LLB degree provide these universities accept Diploma in engineering equivalent to 12th. You may check with universities which may target.