Congress leader Rahul Gandhi on Saturday said his party considers the Constitution as the country's DNA, while for the ruling BJP and the RSS it is a "blank book". Addressing an election rally here ahead of the November 20 assembly polls, the Leader of opposition in the Lok Sabha targeted the BJP, saying nowhere in the Constitution it is written that governments can be toppled by purchasing MLAs as was done in Maharashtra, and Rs 16 lakh crore debt of top businessmen can be waived. "Congress considers the Constitution as the country's DNA, while for the ruling BJP and the RSS it is a blank book," he alleged. His retort came after PM Modi and the BJP recently claimed that the Congress leader was showing a copy of the Constitution with blank pages inside at his campaign rallies. "My sister told me that these days Prime Minister Narendra Modi was speaking about the same issue that I have been raising. I told him in the Lok Sabha that a caste census should be conducted and the 50 per .