I need my paragraph to be indented, but not after the section. The remaining paragraph needs to be indented. Please check the image.
There is no information in the question, but answering the issue as stated by the OP in comments under the question...
The default behaviour in most document classes (all the standard ones) is not to indent the first paragraph of a section. The
indentfirst package suppresses that and forces the indentation of the first section. As the default behaviour is desired here, the solution is simply not to load