Hello Abhishek !

There are many platforms in which you can apply for a part time job in online mode.

Like you can try for Internshala platform where they offer many online platforms for virtual internship and after that job.

Also , you can try for :

1. Blogging
2. Freelancing
3. Writing articles
4. Hosting website
5. Data Entry jobs
6. Online surveys

These are some of the areas in which you can do a online job. If you want any further elaboration of any of these areas , then please feel free to ask.

Hope it helps!