Bad product. Review on Utl Sun Pack 1025 Pure Sine Wave Inverter

Hi friends recentally I purchase a utl sun pack 1025 pure sine wave inverter near about rs 70000 and it has 3 years warrenty and one year replacement gurantee the look is very good but the work is too bad in frist one and a half year it works well and gives sufficient light and after one and a half year it gives not sufficient light it gives only 3 hours light and after 3 hours it shows overloaded I use 6 led lamps only it has under warrenty and I called the customer care executive and raise this issue he told me that our representative will meet you in 36 hours and he rezolve the issue I am waiting for 7 days but no one reach at my home I called once again ti customer service and now a representative came at my home and do some thing with inverter and told me that now it work as normal and 10 days it works normal and get an issue again I called once again to customer care and raise the issue again and he tells me that the reapairment is once available and now you should to pay according to problem I do a lot of attempt to motivate the customer care but he dont give me positive response and I lost rs 70000 in a year it is my big mistake to buy this company product