Hero Motocorp — Service is not on time given by service station

Address:

Surat, Gujarat, 395001

I booked my Hero Deluxe bike service with receipt no:10637 in morning.they told me that at 6 pm it will be ready any how so i can collect my bike after 6 pm on same day.when i reached to service station on 6.30 pm, my bike is not ready still.They are saying that we are not liable for any type of given time baring and advice to do call before come.whenever bike will be ready, company will inform you.
I already arrange my urgent work schedule by company's given time.now what should i do ?
so i would like to book complain about this matter.
please do need full and look in to the matter as possible.

From
Amisha Textiles Pvt.Ltd
New Bombay Market,
Surat.