Deep inside Madhya Pradesh's Jhabua, where the Sangh Parivar battles Christian missionaries for the attention of tribals, a new factor has been thrown into the equation: check dams. On March 8, Shivratri day, Vanvasi Kalyan Parishad, a Sangh affiliate, will launch its Shivganga project to set up talavs (ponds), check dams and stop dams in 131 tribal villages. On the surface, it looks like another well-intentioned scheme to manage rainwater better. But this one comes with a catch. Each village that launches the project must first instal a Shivling