When the victorious visitors were on the way back to the hotel, a rock was hurled at the team bus, shattering the glass. The seat next to the window was unoccupied at the time.
Cricket Australia said no one was injured, but the players were "shaken up by the incident". Aus [Australia] team & Federation Internationale de Football Association are content w/those [with those].
Sonowal directed Assam DGP Mukesh Sahay to nab the culprits at the earliest and also sought a report from Chief Secretary V K Pipersenia.
It's the first global match to be played in the north-eastern city of Guwahati for eight years.
On that occasion the team was travelling in an armed convoy amid a level of security usually granted to visiting heads of state, with roads blocked off and armed guards patrolling crowds while the convoy was moving.
The rock, believed to be roughly the size of a cricket ball, was thrown at a window on the right-hand side of the bus, while it was returning from the stadium.
He said, "Really unfortunate incident after a great game aimed to tarnish Guwahati's reputation as emerging sports hub".
"Guwahati stone-throwing incident NOT reflective of our security measures".
According to a statement issued by the chief minister, Khanna termed the security and facilities provided to teams in Guwahati as immaculate and said these had set the benchmark for other events of such stature that India might host in the future.
Meanwhile, Assam's Finance Minister Himanta Biswa Sarma apologised for the incident, adding that a strict action would be taken against the guilty.
"So, whoever got indulged in the hooliganism did it on the sole objective of defaming Assam & derailing its journey towards the top".
The two teams will now be locked in the final match of the tour as they face off in the last of the three T20 games on Friday.
He wrote, "The stone thrown at the Aussie team bus shows us in bad light, let's all act more responsibly".