Use of Biochar for Soil Health Enhancement and Greenhouse Gas Mitigation in India: Ch. Srinivasarao, K.A. Gopinath, G. Venkatesh, A.K. Dubey, Harsha Wakudkar, T.J. Purakayastha, H. Pathak, Pramod Jha, B.L. Lakaria, D.J. Rajkhowa, Sandip Mandal, S. Jeyaraman, B. Venkateswarlu and A.K. Sikka Potential and Constraints National Initiative on Climate Resilient Agriculture Central Research Institute for Dryland Agriculture Hyderabad NICRA Bulletin 1/2013