Ceiling Fan Guards I Want To Buy An Inverter For My House....plz Suggest Which One Is The Best In Market?

I want to buy an inverter for my house....plz suggest which one is the best in market? - ceiling fan guards

I am from Calcutta, plz suggest the nature of the investor. He ran 3 Ceiling Fans, 5 fluorescent lights, 1 aqua filter and protect a Power Point for emergencies. Can someone explain the data is in fact the best brand in the market, and if possible the rate of the trader is not. in Calcutta?