Reacting to BJP attacking the Congress with Bofors case, the party on Wednesday said the "BJP is on a Beta Bachao Abhiyaan", referring to its President Amit Shah's son Jay Shah, whose company's turnover saw a spurt allegedly from Rs 50,000 to Rs 80 crore in a year."BJP is clutching at straws to save Shah_Zada. 'Beta Bachao Abhiyan' won't succeed by flogging dead horses of Bofors by discredited ministers," said Congress spokesperson Ranadeep Singh Surjewala in Twitter.Union Minister Smriti Irani on Wednesday asked the Congress to come clean on the claims made by a US investigator Michael Hershman, who has alleged in television interviews that then Rajiv Gandhi-led Congress government had sabotaged his investigation into the Bofors case.