Inter State Transfer of FIR by the Police without Court order

Dear Sir/Madam In and interesting case two 498A FIRs were registered one in Delhi (lodged by wife) and later (on same date) in Uttar Pradesh (lodged by father of wife). Husband filed for quashing U.P. FIR in Allahabad High Court including on the ground of double jeopardy which was denied by HC with a two liner order. This order was not challenged in SC.There is no incident or allegation of any incident happening in Delhi in any of the two FIR. After decision of Allahabad HC (almost 6 months after filing of FIR), U.P. Police with the approval of DIG Police, transferred the U.P. FIR to Delhi on the ground that wife is residing in Delhi. As per Uttar Pradesh Magistrate Court records there is no report of Police in file and thus case is pending!! The girl side is having good connections and apparently they were able to influence and got the U.P. FIR transferred in this manner. (Their influence is much higher in Delhi and that is why they want the trial in Delhi) I need the help and guidance of legal luminaries here on the following:- (i) whether the action of transferring FIR in such a manner legal or illegal? (ii) if it is illegal which law has been violated? (iii) What is the remedial action which can be taken by husband? Thanks & Regards Rajen