Do not talk to them with a smile: Virat Kohli to Siraj on stump mic

Ex-India captain Virat Kohli was heard instructing fast bowler Mohammed Siraj on stump mic to not talk to Australian cricketers with a smile on Day 1 of Boxing Day Test in Melbourne. Kohli gave the instruction to Siraj after the fast bowler was seen talking to Marnus Labuschagne cheerfully. Kohli was also involved in a fight with debutant Sam Konstas.