Pexiv Technology — I paid them 4700 rps as utility charge again they are calling n asking me pay amount

Please close that company I had completed the work in the same pattern as they sent but they told wrong asked me penalty I paid 4700rps again again they calling me to pay extra amount n telling me that will put case on u.i get to know it is fraud after paying penalty.please close that company it could help some one getting cheated by them as soon as possible