MakeMyTrip — confirmed hotel voucher does not guarantee accommodation

i was denied accommodation in a hotel in goa on the 21st oct against a confirmed hotel voucher bearing idNH[protected] Although the amount was refunded i hold MAKEMYTRIP responsible for the mental agony and embarrassment i had to undergo .i would like to request people with similar bitter experience to join and help me in my endeavor to teach MAKEMYTRIP a lesson by legal means