KTM Sportmotorcycle — RC 390 service center

I do have ktm rc 390. My bike number is gj 27 cp 2607. U can check in ur database what type of probs i m facing every time. I m facing issues from very long time actually that's why at last i m complaining here.in 6 month or bike purchase my engine was total broke. I asked for new engine replacement they didn't gave me that instead of they just assembled it without my permission. After that they assured me that it will run like before. But main thing was bike pickup was bit slow after that engine build. I didn't complaint. But after that i m facing different different types of issues regarding engine each n every month. Last time idk technical but again something was broke in engine. N they again repaired it. At the same time radiator fan wasn't working so i asked that engineer to fix the issue.. He did from his side. But no work was done regarding that so i had to go again there n again i said the same thing n then they repaired.. Now today after lockdown i thought let's have a ride.. So now i m getting leakage from engine as well as those radiator fans are again not working. And now all i know is there's only one engineer they are having named mr. Shoeb.. No matter in whatever service center of city i give my bike for service he is the only one who service my bike.. And that's the real problem. I don't know he is lazy or he don't exactly know how to solve problems but at last i am facing probs again n again. All i m thinking is my bike is gonna hit 20k km now and as per the rules after that i needed to pay for parts as you do have guarantee for 20k km or 2 years. Like after this if same thing gonna happen to my bike then wat?.. Pls look into this matter n pls give ahmedabad a good engineer who really know how to solve problems. And i also want to replace my engine as it was build by non knowledgeable person.. I can't trust on it now. Wat if i will be on 100+km/h n something happens to the engine.. Who's gonna responsible?