NEW DELHI, July 9 : Google has challenged an Indian court ruling that it infringed on a company's trademark rights by allowing rivals to use its name as an advertising keyword, arguing the decision will hurt consumers, documents reviewed by Reuters show.The May decision could reshape the online ads market in a country where Google last year earned $4.1 billion in gross advertising revenue but where it is also facing a raft of antitrust cases and court battles.To ensure their ads are promoted by Google and target the right customers, companies bid on keywords that online consumers type into the search engine.Indian bathroom fittings maker Hindware, however, accused its rivals of purchasing keywords related to its brand on the Google ads platform, so that their websites appear at the top of