LLB

There are many law colleges. To get admission in leading law universities, you need to crack CLAT or AILET for Delhi University. Also, you can take admission in IP University. For IPU, you have to crack IPU-CET. Other than GLC-Mumbai, Delhi University is also a good university for pursuing law.

There are many law colleges, please share your background.
Common Law Admission Test (CLAT) is a national level exam which is conducted by 18 National Law Universities (NLUs) on rotation basis. This entrance exam is organized for admission in UG, PG and Integrated law courses of different National Law Universities in India. CLAT is held through online mode (Computer Based). The online registration will be started from the month of January 2018.

You can apply for the same only when you will be in the final year or after clearing LLB.
If you are so much desperate to appear the exam you should start your full-fledged preparation now so that you could qualify the exam as early as possible.
PCS exams need very determined preparation and it ideally takes 2 years preparation at least.
So, start your preparation now. You should go ahead by starting from general studies and when after sometime start the optional subjects and remaining papers.

No, you can't. Bar Council of India recognizes only regular degree course.

Anyone can apply after +2 with good marks that will take 5 years, but if you apply after graduation, it will only take 3 years with average marks.

The eligibility criteria is a minimum of 50% marks for general category and a minimum of 45% for other categories such as SC, ST, OBC, MOBC, specially-abled, etc.

Hi,
Best books to prepare for BBA LLB entrance test:
LL.B Entrance Examination (5 Year Course) by Gyan Prakash
The Ultimate Guide to the LLB Entrance Examination 2012 by M A Rashid,Nisa Fasil
LL.B. Entrance Examination Guide by Pankaj Kr. Jaiswal
Self Study Package LLB Prvesh Pariksha 2012) by Expert Compilations