I suggest you go with law school tutorials. Its the most popular coaching institute for law aspirants. Here’s the link to their website. http://www.lawentrance.com/ .

You might want to check out Opus’ Correspondence Course. It now comes with access to their Student Zone, an online portal with tests, supplements and answer key.

Here is the link: http://www.theopusway.com/our-courses/law-entrance/correspondence