Watch: Former Assam minister Siddique Ahmed abuses polling official 

Former Congress minister Siddique Ahmed has stoked controversy after he barged into a polling booth in Karimganj Lok Sabha constituency and misbehaved with a polling official and even became violent with the ITBP officials on duty.

The incident took place in booth 153 and 152 of Karimganj parliamentary constituency, one of the 14 constituencies in Assam that went to polls on April 18.