If you are talking about blogging then I can surely answer it.
Before answering, I will ask you a question that if 56 bhog (Food) are placed in front of you and you are asked to tell which dish is good, what will you say?
Absolutely, you will know by tasting it all one by one…
It is the same with the blogging, whatever topic you like, start writing on it, you will automatically get an idea on which topic you should write.
I think Quora is the best platform to know your niche. How?
Let me tell you…
You will see that on this platform many people have shared their different thoughts as an answers on a particular question, what is all that?? How much you know about that question is the only thing that shows.
I feel, this much is enough. A hint is enough for the wise person!
For more information about online earning you can check my other post and can also contact me for new startups. Link is available in Bio.