bengaluru city police will file a chargesheet in the kamakshipalya acidattack case in an additional chief metropolitan magistrates court here on wednesdayon april 20 this year accused nagesh babu had attacked a 25yearold woman with acid near kamakshipalya in west bengaluru after she rejected his marriage proposal he had made the proposal for the third time the same day nagesh babu had called his elder brother ramesh babu and revealed to him that he had thrown acid on the woman and was fleeing the city nagesh babus brother had recorded the conversation and handed over a copy of the same to police with the forensic science laboratory confirming the voice in the call to be that of nagesh babu the audio recording of the call will play a vital role in establishing his guilt said policethe conversation which went on for a few minutes is termed extra judicial confession statement any statement made before any other person than a magistrate will hold good if it corroborates the offence and strongly acts as circumstantial evidence explained police ramesh babu has already made a statement to the police with regard to his brothers confession to him the phones of the both brothers are in police custody and have been subjected to forensic examinationalso police are yet to attach the survivors voluntary statement she is currently undergoing treatment at st johns hospital hosur road after recovering she will make the voluntary statement before a local court wherein she will narrate the incident again this statement will play a major role in establishing circumstantial evidence against the accused with the extrajudicial confession statement and the voluntary statements our case will be strong enough to convict the accused a senior police officer explainedfurther reports from fsl confirmed that the liquid thrown on the survivor was sulphuric acid police have taken statements from staffers of a shop from where nagesh babu purchased half a litre of sulphuric acid in the first week of april nagesh babu had told the shop staffers that he was a solar panel technician and needed the acid to clean the panelsthe chargesheet runs into 770 pages with statements from 92 witnesses including two eyewitnesses the confession statement of the accused runs into about 12 pages besides reports from fsl and doctors too are attached in the preliminary chargesheet said policenagesh babu 34 who runs a small garment unit in hegganahalli fled the city on april 20 after a hot pursuit for nearly three weeks he was arrested from a temple premises in tiruvannamalai in tamil nadu on may 13 nagesh babu and the woman knew each other since 2015 when they worked together in a garment factory while nagesh babu fell in love with her the woman always treated him like a brother