In the wake of the firing incident at the disputed Langpih area on May 14 in which four people were killed, Sangma called on Chidambaram on Saturday last in New Delhi and discussed the issue, apprising him of the latest developments.
"The Home Minister is aware of the problem. He acknowledged that the issues have been pending for years now," Sangma told reporters here last night after returning to the state.
He sought Centre's involvement for "an expeditious settlement of the dispute in the best interest of people."
On the Langpih incident, Sangma said he impressed upon the Home Minister to institute an independent probe.
"The incident was uncalled for.