"The government is, however, yet to institute a proper inquiry," Sangma said in his reply to a query of leader of the opposition Conrad Sangma (NCP).
Saying that the government was "not satisfied" with the riot report prepared by the East Khasi Hills district administration, the CM stressed that the authorities wanted to "get into the roots" of the cause of the ethnic violence.
Pointing out that the riots were not confined to the boundaries of Meghalaya alone, he said it also extended to Assam, from where displaced persons, currently lodged in relief camps, were still returning home.
"So, Meghalaya had sought the intervention of the Union ministry of home affairs," Mukul said, adding that he had also brought up the matter at a meeting of chief ministers on internal security chaired by Prime Minister Manmohan Singh in New Delhi recently.
"We are discussing with the Union home minister as to what kind of inquiry can be constituted into the matter," the CM said even as he informed the house that he had personally taken up the issue with the Centre.
Accused by Conrad of not taking up the issue seriously, Mukul iterated that assessment of the extent of damage was still on as many of the displaced people were yet to return home.
"Details of (damage) every family has to be worked out," the CM said, adding that the reasons for the conflict could be ascertained only after specific and detailed study.
Stating that the damage had been extensive, Mukul said 1,036 households were affected including loss of four lives in Meghalaya.