Hathway Cable & Datacom — No response after collecting money

Address:

Mumbai City, Maharashtra, 400067

I am a user of hathway cable internet for the past 3 years with user number 1095559 i wanted to change my plan so asked them for the same they sent 100 sms and 100 calls for taking the money and said the engineer will come immediately or next day with the modem bt now after collecting the money there is no call no sms nor they ans your call...who will pay for my losss of money for 2 days?... theydont give a single day for free?...