ALOR SETAR, May 28 (Bernama) -- Kedah Gerakan Youth has taken on PKR deputy president Mohamed Azmin Ali's challenge by providing proof that the Kedah PAS-led state government did not carry out open tender for four projects worth RM37 billion. Its chief Tan Keng Liang said with the proof, he was exposing the truth so that the people in Kedah would not be confused and be able to judge for…