What Is The Difference Between Hnd And Bsc/ba In Nigeria?

There is a clear diffference between HND and BSc/BA in UK and Scotland. HND in UK and Scotland are 2 years programs while BSc/BA programs last for 3 years. There, after your HND which is assumed to be the samething as a 200 level BSc/BA, you can proceed to do a BSc/BA by joining them in the final year (300 levels) or start from 200 levels again; depending on your HND grade anyway. Now, what is the difference between HND and BSc/BA in nigeria? I know the difference between BTech/BEng and BSc. I want to know the difference between HND and BSc/BA. And secondly what is the equivalent of a university Degree in Nigeria? I need your views please.

In the UK and scotland HND courses last for just 2 years while BSC/BA programs last for 3 years. There is a clear distinction between HND and BSc/BA in the UK and scotland; the HND is taken as the 2nd year or part 2 of a BSC/BA program. After bagging HND there you can proceed to the 3rd year of the BSC/BA program or 2nd year depending on your HND grade. In Nigeria, there is a difference between BTech/BEng and BSC/BA. You get a BTech/BEng degree after 5 years while the BSC/BA degree is a 4-year degree. To get HND also in Nigeria you spend 5 solid years like the BTech /BEng. So now, what is the difference in quality between HND and BSC/BA,  HND and BTech/BEng in Nigeria?  Secondly, what is the equivalent of a BSC/BA and BTech/BEng degrees in Nigeria? Please i need answers from you.