Dandi Jyothika Sri, who was disqualified during the National Open Athletics Championships in Warangal, clocked 53.05 seconds. Dandi Jyothika Sri of Andhra Pradesh and Ayush Dabas of Haryana turned in fine performances to win the women and men’s 400m with personal best timings at the inaugural National U-23 Athletics Championships on Tuesday. Haryana’s Dabas bested compatriot Vikrant Panchal by half …