You need to realize that the success of your blogging is very much dependent on the blogging topics. You can write anything for a blog, but to get success a good topic should be chosen. Here I have given a list for a blog topic.
- Beauty tips.
- Health tips.
- Personal advise.
- Movie review.
- Music.
- Photography.
- Electronics.
- News.
- Tutorials.
- Shopping.
- Online tuition
- Controversial topic.
You can use any topic from the above list. Also there is a niche discovery tools available in the market. You should try that too before making any final decision.