My son has purchased a 600VA microtek UPS from Vir Savarkar Block, Shakarpur, Laxminagar, past six month. But the UPS do not shut down when electrictiy goes. Beeps contineously till it manualy no swithch off. It is under warantee period for two years. My address is Sector 4A/1155, Vasundhara, (near Mewar Institute), Ghaziabad (UP)-201012.
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S.P. Dimri
30.102009