[Resolved]  Bajaj Auto — Avenger 160cc bike/I have trouble in it

I got my new avenger bs6 160 on december 2020...From the day i recived my bike i have a issue in my chain spracket it gives abnormal noise...i visited service centre for first service and for warrenty replacement for my alloy wheel(due to painting) both time also i complaint about my chain issue...They service centre peoples said its normal sound it will be fine after some kilometer(They said 700 km)...I drive my bike 1800 km till date still i have same sound and today on 24 june 2021 i just washed my bike by own while washing i just a piece of plastic piece(i added pic of it)...It is a piece of chain gaurd i cant visit service centre due to lock down...When service centre open i will visit and infrom this to them..But i like to intimate to you that they dont reslove my problem just simply giving explanation...Pls take my complaint as a concern and help me to reslove this problem...Main issue is chain sound so abnormal sound i cant drive bike with pillion seat loaded...I know i didt visit service centre today but i placed a complaint why i did mean they are not agreeing their mistake so i am placing a complaint... I think i will get a solution thanks in advance..