MakeMyTrip India — unprofessional behaviour from makemytrip support and false details in voucher provided to hotiler and to me

I had booked for 3 nights in pondicherry with check in date 29sep and check out date 1octfor 2 adult and2 kids (Aged 10 and 4) while booking no information was available for requesting additional bed for kid aged 10year nothing was mentioned in invoice details and booking confirmation sent to me. When i reached hotel i was asked by hotel. Management to pay 1500 for extra bed per night. When i talked to support of make my trip they told that is i have to check they can't help anything.in voucher details available to hotel nothing of such is mentioned about charge for extra bed and now i have been to paid 1500 per night from hotel.
Even the mr mayank and vivek of mymaketrip agreed that they provide different details in vochuer sent to hotel and customer and i found even the charges are completely diff.
I seek justice in this regard
Thanks
Mallikarjuna
[protected]