Activist-turned-politician Arvind Kejriwal went on the offensive again, training his guns this time on Prime Minister Manmohan Singh and Reliance Industries Limited (RIL) chairman Mukesh Ambani. Mr Kejriwal has alleged a nexus between the government and Mr Ambani in allowing Reliance to gain windfall profits over its contract to develop the country's key natural gas field in the Krishna Godavari (KG) basin.