ACT Fibernet — Fraud data used, scam

Address:

H NO 13-7-73,WARANGAL,YELLAM BAZZAR, TELANGANA

I have took act fiber net and with in 15 days my 400 gb has been used where as i only have 2 phones one 1 pc how is it possible? Its just impossible in 15 days 400 gb. And then i came to know that this is the big fraud company and its data usage is fake and big lie and i wasted my 6000rs for 15 days and i can take an action against this, im requesting to solve my problem

My account number of act is :[protected]