Getting a fir through rti and then getting threatened

Seeking information is a right given by the Right to Information Act.   There is no law that can punish any individual for using such rights given by him through statute.  You need not worry about such threats and ignore such threats.   Further, under RTI, all processes should be as stipulated under RTI Act and there is no process for the involvement of a third party or any action against citizen was stated in RTI Act for seeking a copy of the public document which is uploaded and in the public domain.

Yes, it is an empty threat.