keywords: ambani behn kokila dhirubhai samajwadi
text: Amar Singh urges Kokila Behn to resolve RIL issue Samajwadi Party leader Amar Singh has appealed to Dhirubhai Ambani #39;s widow Kokilabehn to settle the differences between her sons Mukesh Ambani and Anil Ambani who run India #39;s largest private sector company.