KL Rahul and Pat Cummins battle DRS, Virat Kohli's struggles continue and Marnus Labuschagne takes a worldie on day one in Perth  ABC NewsDRS in spotlight after Rahul given out on review  cricket.com.auManjrekar blames 'poor supply of technology' after Rahul falls to debatable DRS decision  ESPNcricinfo‘Cop it sweet’: Indian star left fuming in DRS controversy as greats raise major ‘doubts’  Fox SportsLive Test cricket updates: Jasprit Bumrah turns contest on its head with blistering spell  The Age