Teacher

You can learn some programming language like c, Java, Python to be teacher after 10.

Yes, B.Ed offered at Tantia University is a part-time course and duration is 3 years. For admission in this course you must have completed graduation in any discipline with minimum 50% or Basic School Teaching Course with 2 years of experience.

After B.Tech, you are eligible for B.Ed. In B.Ed all subjects are compulsory for all either he/she is from science stream (B.Sc, B.Tech, etc) or arts stream (humanity, BA, B.Com, etc.)
and for the post of TGT, there is no direct post.

Hi Shelly, Please find the link below for detailed information on Teacher as a career and how you can pursue the same:
https://www.shiksha.com/careers/teacher-104.

Yes, you can pursue, but it would have been better, if you would have a regular degree.

It doesn't matter, because B.Ed is the professional degree to teach in a school and that you have.

These are list of colleges offer M.Ed IGNOU, Kurukshetra University. Nalanda Open University, Nalanda, Kalpana University, West Bengal, Bristol Ambedkar Open University in Hyderabad, Kakatiya University in Warangal Andhra Pradesh and many other. Regards.

Yes, with 40% aggregate have qualified NET exam. Once you crack UGC NET examination, he/she will be selected for Junior Research fellowship which will be paid or Appointed as a Assistant Professor in the Indian Universities and Colleges. But, to participate in this entrance test you have to fulfill the required eligibility criteria.