SRL Diagnostics — no update on booked test and later cancelling the same and still no update

Highly dissatisfied with the level of service srl is giving us. First of all no body called for the confirmation and i had to follow up multiple times and then on the date of test appointment no body showed up either and again i have to call multiple times and the reply i got was that the slot was not available that's why no one called to confirm. Then when i asked to reschedule, they are saying i have to re-book. When they do not have home collection facility available then why there app is allowing to book home collection and also why customer care is asking to re book. They are just making fool of the customer and cheating big time.