There is no one definitive answer to this question. Depending on the blog and its content, earning money from Bengali blog may be difficult or easy.
Some factors that could influence this include the audience of the blog, the level of engagement with advertisers, and whether or not the blog has a paid membership or advertising model.
Generally speaking, making money from a Bengali blog is possible if it has a high audience and good content. Paid advertising can help to boost traffic and engagement, while a paid membership or advertising model can provide more stable income.
However, it is important to note that earning money from a Bengali blog is not guaranteed – there are many factors that can affect whether or not someone earns money from their blog.