Reliance Energy — Overcharging bill

Reliance energy consumer no[protected]. I own a studio apartment which is hardly 347 sq ft, a one room kitchens bill for one month should not be this much.. Inspite of not being available at home full day the bill was 5400/- for last month and this month it is 6800/-. Made lots of complaints but makes no difference, it's a chor company cheating people. This has been happening for quite a few months and they are just looting people by saying our consumption is high. Like really!!!