The Union Home Ministry on Thursday sought an immediate report from the Assam government on the serial blasts in Assam.
Home Secretary Madhukar Gupta, who is closely monitoring the situation, spoke to Assam Chief Secretary to find out the details of the incidents, a Home Ministry spokesman said.
The ministry is keeping a constant watch on the situation, he said.
Gupta has sought a detailed report from the state government on the blasts in several districts including Barpeta, Bongaigaon and Kokrajhar.
Meanwhile, Union Home Minister Shivraj Patil strongly condemned the blasts.
Eleven serial blasts rocked several districts of Assam, killing many people. The powerful bombs went off simultaneously shortly before noon.