i am really confused between biotechnology , biomedical engineering , bioengieering , biotechnological engineering and genetic engineering?
All the subjects that you have mentioned have two things in basic-Biology and Maths. At an bachelors level, you will be taught the same things in all the streams you mentioned with some in depth knowledge in some given sphere like in genetic engineering- nanotechnology, gene editing will be covered more vastly , wheareas in biomedical engineering the way instruments like CT, MRi are designed will be taught, a macro approach.
Now depending on the college they might offer some , some not. So you can choose at that level. Other parameters like job offers may be taken into consideration.