Sify Broadband — Wifi connection not working from last 1 week and no response from the comapny about my complaint

Address:	Navsari, Gujarat, 396445
Website:	Eagle Broadband

Almost 1week my wifi is not working so i did a complaint to company but there is no response from sify Broadband i has call so many times to company but they are saying we are looking on it
(eagle broadband navsari)
Mo.no. [protected]
its not a long time its just 3months before i brought it so what should i do ? If i want to give it back and i want money back should i ask for refund ??