In case you are asking for duration for law course after graduation it is 3 years and incase you are asking for class timings for law course in colleges then it varies college to college.

So you will have to specify for which college you are asking for.

Again, The course fee for LLB studies varies college to college. It depends on the college whether its private or public. Like in Delhi university the feesis approx 30K total for 3 years and similarly in BHU is approx 20K. In private colleges it can be the same but for one year only.

To know about any specific college, you will have to mention the college name.