Verbal abuse to girl over a fight started by her first she abused firs

One of my friend( female) verbally abuse to my girlfriend in front of my gf mother and raise question on her(gf) character when i got to know this i messaged on whats app to my male friend who is mutual friend and i abused that girl on messages like mc bc but not directly to that girl rather i meesage to my male friend who is also knwn to her Now this my male friend has shown those msgs to that girl than that girl called me up first she called me on phone and starts abusing me and i abuse her back on the phone but after she starts My question Can she file any case gainst me If yes how can i sort it out Though 7 days passed no police ooficer has called me If she files a case will it hamper my upsc eligibility criteria plz iam worried very much