bengaluru a 36yearold man walked into the karnataka police headquarters here on wednesday owning responsibility for placing a backpack with explosive material outside the mangalore international airport on monday which had triggered a security scareclaiming he was hitting back at the system that failed to provide him with a job udupis aditya rao an engineer and mba graduate walked into dgigps office and said ive come to surrender he claimed he wanted to expose chinks in the security system rao was later taken to a court and handed him over to mangaluru police for quizzing tnni dont know how to make a bomb but i wanted to prepare something that would explode i stuffed chemical powder scraped from the head of matchsticks along with chemicals sourced from crackers and put them in a box rao reportedly told investigatorssources said rao had procured chemicals from an ecommerce portal and put them into the box and fixed two wires the matchstick contains a combination of potassium chlorate and sulphur it can ignite under right conditions a police officer saidrao reportedly told the police i knew sulphur would explode when lit i did not have batteries i could not make a timer planning to set off the explosives i carried a matchbox to the airport on reaching the vip counter i saw security personnel and sniffer dogs all around afraid of being caught i abandoned the bag and walked awayrao is reported to have said the country has gone to the dogs in the past 6070 years we were better under the british i hate the system that failed to offer a decent job to a person like me even though i have an engineering degree and a masters in business administration he saidraos family stopped communicating with him nearly three years ago speaking to him only once in 2018 when his mother passed away said his younger brotherakshath rao a banker hinted that adityas behaviour had become problematic and their fathers repeated attempts to counsel him failed following which the family decided to cut ties sometime in 2017aditya a 36yearold outofwork mechanical engineer was arrested in 2018 over bomb hoaxes at bengaluru airport and ksr railway station he was released from chikkaballapura jail about two months ago we are not responsible for his actions said akshath who lives in mangaluru with the father he added that the family was cooperating with police investigationsthe family has roots in manipal udupi district the father worked as a banker and the mother was a homemaker aditya studied engineering and obtained an mba degree akshath said he and aditya grew up almost separately after the latter moved into a hostel in class viii they mostly met at family functionsadityas relationship with the family soured a few years ago you can check we never contacted him even during his previous arrest we didnt approach him or try to get him bail we got to know he was in mangaluru only yesterday tuesday and we are scared akshath