"There are no such reports of any resignation," Gogoi said when contacted about the reported resignation of Health and Education Minister Himanta Biswa Sarma after the recent riots in lower Assam.
"There are reports in the media but I have no confirmation," he said.
Local newspapers reported that the minister had resigned following differences with the chief minister over handling of the recent riots in the state.
The chief minister said the situation in the Bodoland Territorial Autonomous District (BTAD) areas was under control and the government had issued instructions to maintain peace.
Sarma was not available for his comment.
"There are no fresh incidents and we have adopted precaution to ensure security of the students and professionals who are coming by the two special trains," he said.
Meanwhile, North East Frontier Railway chief public relation officer S Hajong said that the special trains will reach Guwahati from Bengaluru late at night and security has been tightened in the Guwahati railway station.
"We do not for see any disturbances. Everything has been taken care of," he said.
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