You haven't mentioned whether you want to study LLB through regular college and then not attend the classes or you want to take up LLB through Distance mode. Now if you want to join LLB through regular mode and then not attend the classes, it is not a possibility. LLB Curriculum has MootCourt procedure and it requires every Candidate to participate in this procedure. Now if you want to take up LLB through Distance mode, there  are colleges that offer this course through Distance mode. But what needs to be mentioned is that Bar Council of India doesn't recognise Distance mode courses for Advocate registration. That means, even if you complete your LLB through  Distance mode, your Advocate registration through Bar Council of India will not be possible because they do not accept Distance courses. But there is a list of Colleges which offer LLB through Distance mode. But you need to check if they are listed in Bar Council of India:

IGNOU University

Annamalai University

National Law School of India University

Madurai Kamaraj University

Guru Nanak Dev University

But if you want to study Law in India, we have CLAT, LSAT India, AIBE, AP LAWCET, TS LAWCET, AILET, BVP CET Law, SET, etc.

Hello student I'm sorry to inform you but as of now there's no correspondence/distance course in LLB, Bar Council of India don't accept distance/correspondence course so even if you pursue it from any where you're not allowed to practice in court

To get admission in top LLB college you need to appear in CLAT, national level entrance examination to get into 21 NLU's and many others law college.
Some other important law entrance examination are mentioned below -
AILET
SLAT
MHCET
CHRIST
SYMBIOSIS


Feel free to comment if you have any doubt

Good luck