NEW DELHI: Breaking his silence on the high profile Vyapam scam, Congress Vice-President Rahul Gandhi on Thursday questioned Prime Minister Narendra Modi’s ‘inaction’ in the case. br br 45-year-old Gandhi pointed out that PM Modi at the time of the General Election campaign had promised of not letting anyone indulging into corruption but has not turned blind eye on the massive controversy growing each day around the Vyapam scam unfolding in Madhya Pradesh.