Hero Motocorp — Battery changed by service centre

Address:

RL Hero motor, Maansarovar jaipur

After my first service from RL Hero motor Maansarovar jaipur 302020, my bike having issues in starting. I submit my bike to service centre. The supervisor told me the battery is not good. So he suggest to replace, when I shaw my new bike battery it has cross mark and looking very old.
I understand the whole situation my new bike battery was changed by RL motor mechanics by old battery, Because my bike is under warranty they told me your battery will be replace.
Overall this type of behavior done in hero service centre is really not good for Hero and there customer. I am totally fed up with the hero service. It's sucks..