Khunti (Jharkhand) [India], November 9 (ANI): Union Defence Minister Rajnath Singh on Saturday attacked the Congress for its vision for a nationwide caste survey and termed it as a ‘dhoka’ to the people of the country, citing the non-success of a socio-economic caste census in 2011. The Union Minister also questioned Congress National President Mallikarjun Kharge asking him to present a blueprint or a roadmap for the welfare of the thousands and lakhs of castes in the country. Addressing a rally in Jharkhand’s Khunti, Rajnath Singh said, “These days you must be seeing that Congress is claiming…