Vidisha (Madhya Pradesh) [India], May 12 (ANI): After reaching jail, Arvind Kejriwal has “lost his mental balance,” former Madhya Pradesh Chief Minister Shivraj Singh Chouhan slammed Aam Aadmi Party chief on Saturday. “Arvind Kejriwal has lost his mental balance after reaching jail. Right now he is on bail and that too only till the elections. For the workers of the Bharatiya Janata Party, politics is not a medium for attaining position or achieving self-interests. We do politics to serve the country and we work for the welfare and development of the people. Whatever work the party gives us, w…