Maruti Insurance Broking Private Limited — About change insurance company

Address: 422101

I am holding Maruti suzuki ritz car NO- MH-15-DC-2321 i taking insurance of company "The New India Assurance Co.Ltd." in 2013-14 When I was reneiw my insurance in Aug 2015 I requested that I required insurance policy from "The New India Assurance Co.Ltd." company, At that time authority give me the promise he also give me the receipt of payment, on the receipt there is clearly mentioned the company name- "The New Assurance Co.Ltd." However problem is- When I received the Certificate cum policy schedule the company is " IFFCO TOKIO General insurance Company Limited " i am not agree with this.