To clarify on what Lateral Entry means; As defined in the BCI Legal education rules :

(xiv) “Lateral Entry” is an admission given to graduate applicants at the beginning of third year in an integrated Five Year Course.

(xv) “Lateral Exit” means opting out at the end of three year after successfully completing the courses up to the third year, from an Integrated Five year course on being awarded a Bachelor degree.

Rule number 13 of the CHAPTER II - Standards of Professional Legal Education

13. Prohibition against lateral entry and exit 
There shall be no lateral entry on the plea of graduation in any subject or exit by way of awarding a degree splitting the integrated double degree course, at any intermediary stage of integrated double degree course.

So, lateral entry is not allowed as per the above.