Is BLAT is a common term for law entrance of both 5 years and 3 years LLB?

BLAT is a  Law Entrance Exam organized by Banaras Hindu University every year. It is held for admission To both 5year .BHU LLB is for 3 years course.
For more details you can also refer this link
https://www.google.com/amp/s/law.careers360.com/articles/blat
Hope I cleared your doubt.All the best for future endeavour!!

Hey Riya.
No, BLAT is not a common term for entrances of both three year and five year law courses. BLAT is an entrance test for admission in Banaras Hindu University for a 5 year  Integrated Law course only. For admission in three year Law course in Banaras Hindu University, there is a separate entrance exam called BHU LLB.
You can use the link below if you're interested in 5 year law course through BLAT.

https://law.careers360.com/articles/blat

You can use the link below if you're interested in 3 year LLB course through BHU LLB.

https://www.google.com/amp/s/law.careers360.com/articles/bhu-llb

Best of luck