V-Guard Industries — VGN 400DG stabilizer

Address:	600099
Website:	Replied as per their desigm

We have purchased the stabilizer from above manufacturer for an AC. The incoming voltage available in my place more than 240 volts. The purpose of providing stabilizer to get the safest voltage 220 to 230volts as per Indian standard to safe guard the equipment connected through this stabilizer. But V guard company says all stabilizer bucking system work only when touches 250 v input. How they are making and sold against our Indian standards. Please look in to this and guide us what action initate