They are probably not accepting you because you are 17.
Upwork are no longer accepting low quality applicants in already overcrowded categories where there are already more freelancers than are needed.
This has nothing to do with country.
They will also block applicants who create profiles which are clearly just spam such as yours.
And 17 year olds can not join anyway.
re: "if that news is true than bangladeshi new freelancers what to do"
You are a web developer.
You should create an awesome website through which you can offer your services. There is nothing Upwork can do to stop you from doing this.
You could even open it up to allow other 17-year-old freelancers from your country to post profiles, job postings, etc.
You could work on a great platform through which Bangladeshis can post jobs and freelance profiles regardless of age.
Even if you don't get hired directly through your site, you would obtain important experience and a portfolio piece that could help you if you ever become qualified to work on Upwork, or other platforms.
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