Joister — No wifi service not refunding amount

Address:

Mumbai City, Maharashtra, 400080

Hello sir
i hunny rajiv sharma connected joister wifi
but since connected no service available
several time i called in branch office they had
given xcuses while i sad to refund my amount which was given by cheque they are saying call on our had by giving no
[protected] even i called them the said mail us on connect joiter support .com
plz help me out