Can I pursue B.Ed after completing B.Tech?

Yes, of course, why not. But, firstly see, in what area, you are interested. Before switching, be sure for your career.

Yes, you can definitely go for B.Ed after B.Tech, if you are interested in pursuing a career in teaching. B.Ed has now become a 2-year course. If interested, you can also go for 4-year B.Sc course. B.Ed course is offered in the five RIEs present across India. RIE stands for Regional Institute of Ed