Bengaluru, May 24 -- Senior Congress leader and Karnataka Minister, Priyank Kharge, on Saturday launched a blistering attack on the BJP over allegations surrounding political donations, defending contributions made to the party-linked National Herald as legal and transparent, while accusing the RSS of operating within an "opaque ecosystem". "If someone doesn't donate to party organisations, should they donate to the RSS instead?" Kharge questioned, taking aim at the Sangh Parivar. He also asked whether the rise of BJP stalwarts like Prime Minister Narendra Modi and Defence Minister Rajnath Singh was linked to donations made to the Rashtriya Swayamsevak Sangh. Addressing reporters here, Kharge said, "These are legitimate, traceable banking ...