New De3lhi, Feb. 27 -- The Supreme Court on Thursday dismissed petitions challenging a Madhya Pradesh High Court directive for a trial run to dispose of approximately 340 tonnes of toxic waste from Union Carbide.

"Now the state government can proceed for trial run of the toxic waste in batches," a government official told to media.

The petitioners, through letter petitions and special leave petitions, had challenged a high court order and argued that the government had not presented a complete study to the Madhya Pradesh High Court and had also not obtained permission from the Pithampur local body to incinerate the waste at a private facility.

The state, the petitioners argued, had obtained trial run permission by presenting half-cooke...