Rentomojo - DENIED TO DELIVER THE ORDER

I have ordered * essential from renomojo, they have taken the deposit & rent for the same, they were supposed to deliver my order on **th may ** pm, As shown by there app & mail. I only called the deliver guy to take the status at * pm as i was waiting from **pm to recieve the product, the he said my breaks got fail i will be there in ** minutes, I clealr said its ok take your time. at *pm when he came it was heavily raining then i asked the guy to wait for ** ,minutes, He clealr said * mins mein aana hai toh aajao varna jaa raha hu. And he left. he was litearlly shouting jao complaint karni hai karo, was it my fault if his break got failed? i was literally waiting for him since ** pm. now im tryinh to get in touvh with their customer support but getting no response