Hey,

Both these courses are regular courses. You can never do these courses simultaneously. This will not be considered as valid and you even cannot pursue it. Being regular programs, You cannot attend both these programs at the same time. They have separate practical and other course curriculum and even attendance can be a matter of disqualification. You cannot pursue these courses both at same time. Bachelor of Science in Nursing (BSc Nursing) is a four-year undergraduate programme in medical science. For candidates from the PCM discipline, B.Tech is one of the most popular engineering courses.

You can know about these courses over here:

B.TECH: https://www.careers360.com/courses/b-tech-bachelor-of-technology

b.sc Nursing: https://www.careers360.com/courses/b-sc-nursing