Guwahati: The Indigenous People’s Party (IPP) has demanded a Central Bureau of Investigation (CBI) and Enforcement Directorate (ED) probe into the utilisation of development funds by the Karbi Anglong Autonomous Council (KAAC), following BJP MP Amarsing Tisso’s reported claims about the wealth of council Chief Executive Member (CEM) Tuliram Ronghang. Tisso, the BJP MP from.