What is the fine-grained topic of the following text: Based on it, Opposition Party Congress has raised huge question mark to the ruling party’s 2014 Lok Sabha Election claim of ‘Congress: A political party of too many Scams’ as the 2G Scam Verdict has proved DMK- a Congress alliance of not guilty. Only return the topic.
Opposition Party Congress questioning ruling party's claim about political scams following the 2G Scam Verdict.