Greetings!!

Yes, you can do part time jobs / internship/ freelance jobs while doing any course, you can do work from home jobs such as content writer or if you know programming language such as C++ , python , etc . then you may do such jobs by helping in web development, app development, you can easily find such jobs on platform such as Internshala, freelancer, Fiverr, upwork, etc.

also you can teach students, since you are studying BTech, also you can apply for jobs on LinkedIn, naukri, etc. For any job you should prepare a good resume and you can start working accordingly.

also it depends upon the time you have and the knowledge and skills, because of which you can get a much better job which is more related to your field.

Moreover there are a lot of Edtech startup you may work with them by searching them on LinkedIn and lot of other ways to get in contact with such people depends upon how you approach them and what skills you have.

Hello!

In case if you want to do something related to your field it might not be possible because they will definitely ask you for your degree.

Although you can do small part time jobs in order to earn something. You can do teaching, work as a tutor, Or start doing Content writing jobs if you are good enough at writing. You can also do blogging. You can start something of yourself like start ups. You can ho for marketing jobs.