Kerala Chief Minister Pinarayi Vijayan on Sunday said the electoral bonds scam is the biggest corruption ever witnessed in India and added the BJP government at the Centre arrested his Delhi counterpart Arvind Kejriwal to divert attention from the same. Addressing the third consecutive rally organised here by the CPI(M) against the contentious Citizenship (Amendment) Act (CAA), Vijayan alleged the BJP-led Central government and the Sangh Parivar give scant regard to the rule of the law in the country. He alleged that the Sangh Parivar was trying to take control of the Constitutional institutions and even threatening the country's judiciary. "The Union government, BJP, Sangh Parivar, they all very well know that the Supreme Court order on the electoral bond scam was harmful to them. They wanted to divert the attention from this topic and for that they have arrested Delhi CM Arvind Kejriwal," Vijayan said. The chief minister said when the idea of electoral bonds was floated, the CPI(