Asus Computer International - Getting display flickering on screen since from purchase

Since from the beginning i had purchased the laptop, i am facing problem of screen flickering issue for this i went to the seller but they said you will be getting service from the centre as * days have been passed. When i visited the first time for service centre they received the laptop with the RMA no. INF*NB**** on */**/**** solution provided replaced the display
but my issue not resolved *nd time submitted the laptop with the same RMA no. INF*NB**** they received it within * days they returned saying issue resolved it was software issue.
Again after **-** days same issue faced submitted *rd time RMA no. INF*NC**** received it after *days saying issue resolved OS had been reloaded & working fine.Then again *th time same problem again new RMA no. INF*R***** after ** days received back by saying its working fine as its a software issue and we have consulted the MS office team and got resolved. And now *th time i have got the same problem after a month what shall i do all time i cant visit to service center and submit my laptop for the same issue and they are denying for a stand by also i have purchased for the job which i am facing very problem to manage my work. Kindly help me out from the problem, i need a permanent solution or need to replace the laptop.