Huge Unit Price increased without informing Consumers

Location/place: Ahmedabad

Name of company/service: Adani GAS

I would like to complain against Adani GAS corporation. They are increasing prices like anything without informing the reasons to consumers. Initially they have started with Gas Unit price as Rs 21. Then they change it from 21 to Rs. 24.5. Now 2 months before only they have increased price by Rs 6.5 and now it is Rs.31. It is like breaking Back bone of middle class families. They even dont have inform the reasons for huge increment. Is there anybody who can fight against this price rise? Appreciate support and help on this.