India's intra-squad match simulation provided a mix of positives and concerns ahead of the Border-Gavaskar series opener against Australia in Perth. With uncertainty surrounding skipper Rohit Sharma's participation in the first Test, KL Rahul opened alongside Yashasvi Jaiswal, according to ESPNcricinfo. The experienced batter trod carefully and handled short balls well until a Prasidh Krishna bouncer struck his elbow, requiring …