Hero Motocorp — oil not change

Address:

Ho.No-B/24 PHASE 2 NATURECITY SAKRI ROAD USLAPUR, Gautam Buddh Nagar, Uttar Pradesh, 495001

Hello I am from bilaspur chhattisgarh I have pleasure.on 06/06/2019 I came to the service centre for routine.after 1month some issue in my scooty I want to the service centre to check it now the workshop person told that some button will be change but before service all the parts work properly. I dought oil will be not change.we talk to the service manager he couldn't given the satisfaction answer.and her behaviour will also not good.please solve my problem.he said after 1000km oil will be became black but his advisers suggest to me to change the oil may be oil will be not change.what we do it's a HERO image issue .
Please do the need full