The Basanthnagar police have registered criminal cases against 300 Congress party members, including former Minister D. Sridhar Babu, for obstructing the conduct of environmental public hearing on Kaleshwaram Lift Irrigation Project in Peddapalli town on Wednesday. Following a complaint lodge by an irrigation engineer of Kataram mandal and incharge of public hearing, the police have registered criminal cases against the Congress leaders under IPC 147 (rioting), 353 (assault or criminal force to deter public servant from discharging his duties and other sections. The police stated that the Congress leaders had raised slogans against Chief Minister K. Chandrashekhar Rao, thrown chairs into air and disturbed the meeting. and also obstructed the officials from conducting their legitimate duties of conducting a public hearing.